| Pond slime |
Mirror Tea Time |
20 Apr 2024 |
| Green pond stuff |
|
|
| Neglected pond growth |
|
|
| Possible ingredient in biofuel (5) |
|
|
| Pond-scum organisms |
|
|
| Marine life trapped by undersea glaciers rising (5) |
|
|
| Green growth that covers a pond |
|
|
| Growth in a stagnant pond |
|
|
| Seaweed, e.g. |
Wall Street Journal |
27 Feb 2024 |
| Aquarium growth |
LA Times Mini |
12 Feb 2024 |
| Pond slime |
Mirror Tea Time |
09 Feb 2024 |
| Marine food chain component of green |
|
|
| Pond organisms |
Family Time |
29 Jan 2024 |
| It may build up in a birdbath |
|
|
| A gale affected water plants |
Mirror Cryptic |
26 Jan 2024 |
| Green aquatic organisms |
Mirror Quick |
26 Jan 2024 |
| Pond growth |
Thomas Joseph |
23 Jan 2024 |
| Water vegetation (5) |
|
|
| Pond scum |
New York Times Mini |
10 Jan 2024 |
| Pond scum |
USA Today |
02 Jan 2024 |
| Tank nuisance |
LA Times Daily |
24 Dec 2023 |
| Growth on a pond |
|
|
| Seaweeds, for example |
USA Today |
06 Dec 2023 |
| Pond buildup |
LA Times Mini |
03 Dec 2023 |
| Aquarium gunk |
LA Times Daily |
30 Nov 2023 |
| Pond growth |
Thomas Joseph |
29 Nov 2023 |
| What koi can consume |
Newsday |
25 Nov 2023 |
| Pond growth |
LA Times Daily |
17 Nov 2023 |
| Aquatic organisms able to photosynthesise |
The Times Concise |
11 Nov 2023 |
| Seaweed |
Newsday |
08 Nov 2023 |
| Aquarium problem |
LA Times Daily |
07 Nov 2023 |
| Green growth in an aquarium |
|
|
| Pond scum |
USA Today |
27 Oct 2023 |
| Adult bird briefly returns to find water organisms |
The Telegraph Cryptic |
13 Oct 2023 |
| Pond growth |
Thomas Joseph |
30 Aug 2023 |
| Aquarium accumulation |
Universal |
17 Aug 2023 |
| Seaweed |
Newsday |
26 Jul 2023 |
| Green pond organisms |
Newsday |
03 Jul 2023 |
| Pond's grimy film cover |
Family Time |
22 May 2023 |
| Greenish aquarium buildup |
USA Today |
20 May 2023 |
| Green growth in some ponds (anagram of "galea") |
|
|
| Pond cover |
Thomas Joseph |
13 May 2023 |
| Pond buildup |
New York Times |
02 May 2023 |
| Sushi roll exterior |
LA Times Daily |
23 Apr 2023 |
| What vegan eggs are made with |
Newsday |
01 Apr 2023 |
| Aquatic life |
Newsday |
31 Mar 2023 |
| Buildup of tanks? |
New York Times |
15 Mar 2023 |
| Pond scum |
USA Today |
13 Mar 2023 |
| Pond slime |
Premier Sunday |
22 Jan 2023 |
| Organisms that turn pools green |
USA Today |
16 Jan 2023 |
| Seaweed |
Newsday |
03 Jan 2023 |
| Pond growth |
Thomas Joseph |
28 Nov 2022 |
| Aquarium growth |
Eugene Sheffer |
09 Nov 2022 |
| Green pond growth |
USA Today |
07 Oct 2022 |
| Unwelcome aquarium growth |
Wall Street Journal |
04 Oct 2022 |
| Mucky green stuff in pools |
USA Today |
26 Sep 2022 |
| Fish tank buildup |
New York Times |
18 Sep 2022 |
| Green pond layer |
|
|
| Pool growth |
Premier Sunday |
03 Jul 2022 |
| Pond growth |
Thomas Joseph |
15 Jun 2022 |
| Plants with no roots or leaves |
Wall Street Journal |
04 May 2022 |
| Organisms in birdbaths |
Universal |
13 Apr 2022 |
| Green growth in a pond |
USA Today |
19 Mar 2022 |
| Seaweeds tangled up in a gale |
The Times Cryptic |
07 Mar 2022 |
| Growth from stagnation |
New York Times |
29 Jan 2022 |
| Pool problem |
Wall Street Journal |
29 Jan 2022 |
| Fish tank buildup |
Universal |
13 Jan 2022 |
| Pool owner's bane |
LA Times Daily |
22 Dec 2021 |
| Pond growth |
Thomas Joseph |
02 Nov 2021 |
| Some fish food |
Wall Street Journal |
27 Oct 2021 |
| Pool concern |
LA Times Daily |
24 Oct 2021 |
| Pond scum, typically |
New York Times |
05 Oct 2021 |
| Several seaweeds good in salad uncovered close to shore |
|
|
| Aquarium buildup |
Eugene Sheffer |
09 Sep 2021 |
| Aquarium growth |
Eugene Sheffer |
27 Aug 2021 |
| A bird of prey almost picked up fish food? |
|
|
| Aquarium bother |
Wall Street Journal |
17 Jul 2021 |
| Pond flora |
Wall Street Journal |
15 Jun 2021 |
| Koi pond scum |
USA Today |
10 Jun 2021 |
| Aquarium buildup |
Eugene Sheffer |
26 May 2021 |
| Fish tank buildup |
New York Times |
18 May 2021 |
| Pond scum |
USA Today |
14 May 2021 |
| Biodiesel source |
Newsday |
01 May 2021 |
| Red tide cause |
LA Times Daily |
22 Apr 2021 |
| Red tide cause |
The Washington Post |
22 Apr 2021 |
| Pond growth |
Thomas Joseph |
08 Apr 2021 |
| Birdbath scum |
USA Today |
17 Feb 2021 |
| Birdbath buildup |
Universal |
09 Feb 2021 |
| Aquarium growth |
USA Today |
06 Jan 2021 |
| Red-tide contents |
The Washington Post |
30 Dec 2020 |
| Red-tide contents |
LA Times Daily |
30 Dec 2020 |
| Pond buildup |
|
|
| Pond buildup |
|
|
| Pond growth |
Premier Sunday |
06 Dec 2020 |
| Pool problem |
Wall Street Journal |
24 Nov 2020 |
| Fish pond growth |
USA Today |
21 Oct 2020 |
| Nori or spirulina, e.g |
USA Today |
10 Oct 2020 |
| Growth in a neglected pool |
USA Today |
30 Sep 2020 |
| Type of seaweed |
Newsday |
19 Aug 2020 |
| Unwelcome pool growth |
USA Today |
11 Jul 2020 |
| Pool film |
Premier Sunday |
14 Jun 2020 |
| Fish tank gunk |
USA Today |
29 May 2020 |
| Pond buildup |
Wall Street Journal |
23 May 2020 |
| Birdbath buildup |
USA Today |
13 May 2020 |
| Pond cover |
Family Time |
27 Apr 2020 |
| Fish tank buildup |
Jonesin |
21 Apr 2020 |
| Pond buildup |
The Washington Post |
05 Apr 2020 |
| Pond buildup |
LA Times Daily |
05 Apr 2020 |
| Pond growth |
USA Today |
24 Mar 2020 |
| Aquarium growth |
Eugene Sheffer |
14 Mar 2020 |
| Unwanted stuff in a fish tank |
USA Today |
08 Mar 2020 |
| Aquarium buildup |
|
|
| Floor plants? |
The Washington Post Sunday |
29 Dec 2019 |
| Aquarium scum |
USA Today |
26 Dec 2019 |
| Pond buildup |
Premier Sunday |
22 Dec 2019 |
| Tiny pond plants |
|
|
| Tiny pond plants |
New York Times |
25 Nov 2019 |
| Pool owner's concern |
Newsday |
24 Nov 2019 |
| Pond life in a gale disrupted |
The Sun Two Speed |
11 Nov 2019 |
| Seaweed |
The Sun Two Speed |
11 Nov 2019 |
| Aquarium accumulation |
Family Time |
28 Oct 2019 |
| Aquarium growth |
The Washington Post |
24 Oct 2019 |
| Aquarium growth |
LA Times Daily |
24 Oct 2019 |
| Rootless aquatic plants |
Universal |
02 Sep 2019 |
| Much pond scum |
USA Today |
24 Aug 2019 |
| Tank slime |
Premier Sunday |
21 Jul 2019 |
| Pool owner's concern |
LA Times Daily |
09 Jul 2019 |
| Pool owner's concern |
The Washington Post |
09 Jul 2019 |
| Pond scum |
Wall Street Journal |
01 Jul 2019 |
| Fish tank film |
New York Times |
26 May 2019 |
| Pond's film cover |
Family Time |
07 Apr 2019 |
| Diet for some aquarium fish |
LA Times Daily |
28 Mar 2019 |
| Diet for some aquarium fish |
The Washington Post |
28 Mar 2019 |
| Seaweeds generally |
The Telegraph Quick |
30 Jan 2019 |
| Green growth in a pool |
Universal |
21 Jan 2019 |
| Much pond scum |
|
|
| Aquarium growth |
|
|
| Diet for some aquarium fish |
|
|
| Pool owner's concern |
|
|
| Rootless aquatic plants |
|
|
| Green growth in a pool |
|
|
| Fish tank film |
|
|
| Pool problem |
|
|
| Pond scum |
|
|
| Birdbath gunk |
|
|
| Seaweed, e.g |
New York Times |
17 Dec 2018 |
| Aquarium growth |
The Washington Post Sunday |
02 Dec 2018 |
| Birdbath gunk |
USA Today |
29 Nov 2018 |
| Food for some fish |
Newsday |
22 Nov 2018 |
| Seaweed |
Newsday |
09 Oct 2018 |
| Pool problem |
|
|
| Birdbath buildup |
The Chronicle of Higher Education |
21 Sep 2018 |
| Growth on buoys |
New York Times |
21 Sep 2018 |
| Green growth in an aquarium |
|
|
| Wet organisms |
Universal |
03 Aug 2018 |
| Green growth in ponds |
|
|
| Green growth in ponds |
|
|
| Aquarium problem |
Universal |
16 Jun 2018 |
| Bane of pool owners |
Universal |
03 Jun 2018 |
| Fish tank gunk |
New York Times |
14 May 2018 |
| Pond growth |
Universal |
11 Apr 2018 |
| Aquarium buildup |
Universal |
06 Apr 2018 |
| Weeds, advanced, big bird mostly pulled up |
|
|
| Some plankton |
LA Times Daily |
09 Mar 2018 |
| Some plankton |
The Washington Post |
09 Mar 2018 |
| Little living things Georgia found in beer |
The Telegraph Cryptic |
16 Feb 2018 |
| Aquarium gunk |
USA Today |
15 Feb 2018 |
| Aquarium scuzz |
Universal |
01 Feb 2018 |
| Fish-tank buildup |
Newsday |
18 Jan 2018 |
| Aquarium scuzz |
|
|
| Aquarium buildup |
|
|
| Aquarium problem |
|
|
| Bane of pool owners |
|
|
| Pond growth |
|
|
| Growth on buoys |
|
|
| Fish tank gunk |
|
|
| Fish tank buildup |
|
|
| Wet organisms |
|
|
| Seaweed, e.g. |
|
|
| Birdbath buildup |
|
|
| Aquarium gunk |
|
|
| Seaweeds and similar plants |
The Times Specialist Sunday |
24 Dec 2017 |
| Aquarium buildup |
New York Times |
18 Dec 2017 |
| Swimming pool gunk |
USA Today |
01 Dec 2017 |
| Aquatic life in Portuguese region avoiding river valley primarily |
The Telegraph Toughie |
25 Oct 2017 |
| Pot growth from overwatering |
The Washington Post |
03 Sep 2017 |
| Pot growth from overwatering |
LA Times Daily |
03 Sep 2017 |
| Target of some pool treatments |
Universal |
20 Jun 2017 |
| Fish tank buildup |
Universal |
04 Jun 2017 |
| A short bird hauled up deep plants |
|
|
| A short bird hauled up deep plants |
The Times Cryptic |
10 May 2017 |
| Aquarium buildup |
Wall Street Journal |
04 Apr 2017 |
| Simple pond life |
New York Times |
20 Mar 2017 |
| Some local Gaelic seaweeds perhaps |
|
|
| Swimming pool gunk |
|
|
| Simple pond life |
|
|
| Pot growth from overwatering |
|
|
| Fish tank buildup |
|
|
| Target of some pool treatments |
|
|
| What Aqua Chem is made to remove |
Newsday |
31 Dec 2016 |
| Seaweeds etc |
The Guardian Quick |
14 Oct 2016 |
| Pond buildup |
Universal |
24 Sep 2016 |
| A predator nearly pulled up seaweed, etc |
The Telegraph Toughie |
12 Aug 2016 |
| Pool problem |
Universal |
06 Aug 2016 |
| It's a long game without money and a problem for The 'Pool'? |
Irish Times Crosaire |
06 Aug 2016 |
| Oxygen producers |
Newsday |
22 May 2016 |
| Sushi ingredient |
Newsday |
15 May 2016 |
| Pool gunk |
Universal |
12 May 2016 |
| Birdbath grunge |
USA Today |
04 May 2016 |
| Birdbath buildup |
LA Times Daily |
05 Apr 2016 |
| Found in tea glass, we should be sent back! |
|
|
| Aquarium owner's bane |
Wall Street Journal |
15 Mar 2016 |
| Organisms that cause red tide |
New York Times |
14 Mar 2016 |
| Primitive organisms |
The Telegraph Quick |
26 Feb 2016 |
| Lowlifes in the aquatic food chain |
The Washington Post |
26 Feb 2016 |
| Pond scum, e.g |
USA Today |
26 Feb 2016 |
| Lake growth |
The Washington Post |
29 Jan 2016 |
| Makeup of some blooms |
Wall Street Journal |
28 Jan 2016 |
| Pool growth |
Universal |
28 Jan 2016 |
| Aquarium gunk |
Universal |
04 Jan 2016 |
| Aquarium gunk |
|
|
| Pond buildup |
|
|
| Pool growth |
|
|
| Pool problem |
|
|
| Birdbath grunge |
|
|
| Pond plants |
LA Times Daily |
20 Dec 2015 |
| Pool owner's bane |
USA Today |
01 Nov 2015 |
| Pond buildup |
Eugene Sheffer |
23 Oct 2015 |
| Source for some biofuels |
Newsday |
09 Oct 2015 |
| Pool owner's headache |
Universal |
14 Sep 2015 |
| Pond buildup |
USA Today |
21 Aug 2015 |
| Pond problem |
Wall Street Journal |
24 Jul 2015 |
| Seaweeds |
The Times Concise |
06 Jul 2015 |
| Sign of an untreated pool |
Universal |
30 Jun 2015 |
| They may live on a turtle shell |
The Chronicle of Higher Education |
26 Jun 2015 |
| Some microflora |
LA Times Daily |
19 Jun 2015 |
| Pool problem |
USA Today |
17 Jun 2015 |
| Pond buildup, e.g |
USA Today |
08 Feb 2015 |
| Aquarium problem |
Wall Street Journal |
30 Jan 2015 |
| Pool slime |
Premier Sunday |
18 Jan 2015 |
| Birdbath greenery? |
USA Today |
12 Jan 2015 |
| Pond scum, e.g |
Universal |
10 Jan 2015 |
| Seaweed |
|
|
| Pool slime |
|
|
| They may live on a turtle shell |
|
|
| Birdbath greenery? |
|
|
| Pool owner's nuisance |
|
|
| Pond buildup, e.g. |
|
|
| Pond problem |
|
|
| Aquarium problem |
|
|
| Pond scum, e.g. |
|
|
| Pool owner's headache |
|
|
| Sign of an untreated pool |
|
|
| Pond buildup |
|
|
| Pool problem |
|
|
| Pool owner's bane |
|
|
| Pond scum, e.g. |
|
|
| Rootless sea life |
|
|
| Source for some biofuels |
|
|
| Pond scum |
|
|
| Pond plants |
|
|
| Some microflora |
|
|
| Pond buildup |
|
|
| Scum or gas mostly contaminated beer |
|
|
| Biodiesel source |
|
|
| Aquarium buildup |
|
|
| Pool treatment target |
|
|
| Bane of pool owners |
|
|
| Pond growth |
|
|
| Pond growth |
|
|
| Food for tadpoles |
|
|
| Pond growth |
|
|
| Basis of the marine food chain |
|
|
| Seaweed and such |
|
|
| Pool covering, perhaps |
|
|
| Sea growth |
|
|
| Swimming pool woe |
|
|
| Aquarium buildup |
|
|
| Lichens component |
|
|
| Pond flora |
|
|
| Pool problem |
|
|
| Pond scum makeup |
|
|
| Swimming pool concern |
|
|
| Tank buildup |
|
|
| Tiny pond organisms |
|
|
| Aquarium growth |
|
|
| Kelp beds, essentially |
|
|
| Aquatic organisms |
|
|
| Aquarium growth |
|
|
| Aquarium growth |
|
|
| Aquarium buildup |
|
|
| Aquarium buildup |
|
|
| Pond growth |
|
|
| Deterrent to swimming |
|
|
| Aquarium cleaner's problem |
|
|
| Rootless sea life |
|
|
| Lake life |
|
|
| Swimmer's annoyance |
|
|
| Phycologist's study |
|
|
| Fatty acid source |
|
|
| Pond slime |
|
|
| Lake life |
|
|
| Pool nuisance |
|
|
| Pond organisms |
|
|
| Aquarium gunk |
|
|
| Aquatic organisms |
|
|
| Fish tank buildup |
|
|
| Aquarium build-up |
|
|
| Bloom makeup |
|
|
| Pool problem |
|
|
| Pond growth |
|
|
| Pond film |
|
|
| Aquatic plant life |
|
|
| Biofuel source |
|
|
| Aquarium gunk |
|
|
| Tank top? |
|
|
| Seaweed, e.g. |
|
|
| Aquarium accumulation |
|
|
| Aquatic plant life |
|
|
| Snack for a snail |
|
|
| Aquarium growth |
|
|
| Swimming pool concern |
|
|
| Seaweed and kelp |
|
|
| Pond accumulation |
|
|
| Swimming pool concern |
|
|
| Seaweeds, et al. |
|
|
| Slimy aquarium growth |
|
|
| Stagnant-water buildup |
|
|
| Aquatic plant life |
|
|
| Simple aquatic organisms |
|
|
| Aquarium problem |
|
|
| Aquarium problem |
|
|
| Pond accumulation |
|
|
| Pond buildup |
|
|
| Pool problem |
|
|
| Pond buildup |
|
|
| Potential pond poisoner |
|
|
| Pool problem |
|
|
| Sea greens |
|
|
| Pond nuisance |
|
|
| Pool owner's concern |
|
|
| Aquarium concern |
|
|
| Pond surface growth |
|
|
| Bottom-of-the-food-chain organisms |
|
|
| Pond scum and such |
|
|
| Aquarium concern |
|
|
| Fish-tank problem |
|
|
| Plankton components |
|
|
| Tiny pond plants |
|
|
| Sign of an untreated pool |
|
|
| Aquarium growth |
|
|
| Pool-owner's problem |
|
|
| Birdbath buildup |
|
|
| Aquarium owner's bane |
|
|
| *Birdbath floaters |
|
|
| Fertilizer source |
|
|
| Fishtank concern |
|
|
| Pool treatment target |
|
|
| Aquatic plants |
|
|
| Aquatic vegetation |
|
|
| Red ___ |
|
|
| Aquarium accumulation |
|
|
| Birdbath buildup |
|
|
| Pool problem |
|
|
| *Birdbath floaters |
|
|
| Fertilizer source |
|
|
| Fishtank concern |
|
|
| Pool treatment target |
|
|
| Sushi ingredient |
|
|
| Fish tank problem |
|
|
| Pond accumulation |
|
|
| Tiny pond plants |
|
|
| Pool maintenance bane |
|
|
| Fish tank bane |
|
|
| Pond scum |
|
|
| Pool owner's nuisance |
|
|
| Pond growth |
|
|
| Pool invaders |
|
|
| Pond or pool stuff |
|
|
| Pool maintenance bane |
|
|
| Sea life |
|
|
| Aquatic plant life |
|
|
| Snail snack |
|
|
| Lake life |
|
|
| Plankton components |
|
|
| Pond covering |
|
|
| Primitive aquatic organisms |
|
|
| Aquarium growth |
|
|
| Aquarium problem |
|
|
| Birdbath gunk |
|
|
| Pond plants |
|
|
| Aquarium nuisance |
|
|
| Pond growths |
|
|
| Lake floaters |
|
|
| Bottom-of-the-food-chain organisms |
|
|
| Big oxygen producer |
|
|
| Big oxygen producer |
|
|
| Bottom-of-the-food-chain organisms |
|
|
| Lake floaters |
|
|
| Pond covering |
|
|
| Pool service bane |
|
|
| Rootless sea life |
|
|
| Tank top? |
|
|
| Rootless sea life |
|
|
| Lake or sea life |
|
|
| Pool service bane |
|
|
| Fish tank plant life |
|
|
| Marine flora |
|
|
| Fishtank growth |
|
|
| Pool problem |
|
|
| Pool problem |
|
|
| Pond scum |
|
|
| Aquatic plants |
|
|
| Aquarium buildup |
|
|
| Fishtank problem |
|
|
| Pond cover, frequently |
|
|
| Phycologist's study |
|
|
| High-yield biodiesel source |
|
|
| Pond scum |
|
|
| Phycologist's study |
|
|
| Aquarium growth |
|
|
| Pool growths |
|
|
| Sea life |
|
|
| Pond organisms |
|
|
| Pond life |
|
|
| Tank buildup |
|
|
| Seaweed and kelp, e.g. |
|
|
| Pond greenery |
|
|
| Birdbath greenery? |
|
|
| Pool problem |
|
|
| Aquarium microorganisms |
|
|
| Sea moss, for one |
|
|
| Aquarium problem |
|
|
| Antifouling chemical target |
|
|
| Single-celled plants |
|
|
| Swimming-pool problem |
|
|
| Primitive plants |
|
|
| Pond plants |
|
|
| Aquarium problem |
|
|
| Antifouling chemical target |
|
|
| Lake growth |
|
|
| It may fill up your tank |
|
|
| Pond cover |
|
|
| Tank buildup |
|
|
| Winter forecast |
|
|
| Pond growths |
|
|
| Type of seaweed |
|
|
| Plankton component |
|
|
| Aquarium owner's bane |
|
|
| Slimy aquarium growth |
|
|
| Sea moss, for one |
|
|
| Pond greenery |
|
|
| Life on the water |
|
|
| Aquarium problem |
|
|
| Lichen, in part |
|
|
| Pool problem |
|
|
| Pool owner's bane |
|
|
| Plankton component |
|
|
| Pond growth |
|
|
| Pond cover |
|
|
| Pond buildup |
|
|
| Pond scum and kelp |
|
|
| Aquarium buildup |
|
|
| Photosynthetic organisms |
|
|
| Pond covering |
|
|
| Aquatic organisms |
|
|
| Pond organisms |
|
|
| Birdbath gunk |
|
|
| Reef clingers |
|
|
| Aquatic organisms |
|
|
| Primitive aquatic organisms |
|
|
| Pond accumulations |
|
|
| Simple organisms |
|
|
| Plankton components |
|
|
| Simple organisms |
|
|
| Aquatic organisms |
|
|
| Kelp beds, essentially |
|
|
| Snack for a snail |
|
|
| Pond organisms |
|
|
| Plankton component |
|
|
| Pond organisms |
|
|
| Plankton component |
|
|
| Seaweed |
|
|
| Pond greenery |
|
|
| Kelp, e.g. |
|
|
| Rootless life of the sea |
|
|
| Plankton component |
|
|
| Aquarium growths |
|
|
| Food source for some marine life |
|
|
| Pool owner's bane |
|
|
| Plankton, in part |
|
|
| Plankton components |
|
|
| Water floaters |
|
|
| Seaweeds |
|
|
| Pond topper |
|
|
| Pond covering |
|
|
| Kelps |
|
|
| Aquatic vegetation |
|
|
| Some sea life |
|
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| Aquatic plants |
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| Aquarist's problem |
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| Swimming pool problem |
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| Pond cover |
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| Pond scum |
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| Underwater growths |
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| Fungi + ___ = lichens |
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| Lichen components |
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| Low end of the food chain |
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| Tiny pond plants |
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| Snail's snack |
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| Seaweed |
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| Tank buildup |
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| Pond floaters |
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| Seaweed et al. |
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| With fungi, they form lichens |
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| Pond scum and seaweed |
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| Frog spit |
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| Seaweeds |
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| Green growth |
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| A Berkeley scientist has figured a way to make hydrogen fuel from these |
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| Latin for "seaweed" |
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| Sea bloomers |
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| Certain thallophytes |
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| Sea drifters? |
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| Pool woe |
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| Aquatic plants |
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| Pond scum, e.g. |
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| Hot-tub buildup |
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| Aquarist's problem |
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| Phycologist's study |
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| Seaweed and kelp |
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| Water plants |
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| Pond scum and kelp |
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| Chlorine's target |
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| Uninvited pool "guests" |
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| Pond floaters |
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| Snail's snack |
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| Pond vegetation |
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| Sea growth |
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| Pond greenery |
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| Basis of the marine food chain |
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| Green growths |
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| Uninvited pool guests |
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| Lake life |
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| Blue-green organisms |
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| Swimming pool problem |
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| Sign of stagnation |
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| Pool owner's problem |
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| Uninvited pool guests? |
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| Pool owner's headache |
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| Pond covering |
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| Green growth |
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| Seaweed |
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| Plankton components |
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| Tiny hydrophytes |
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| Spirogyras |
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| Pond film |
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| Fish food |
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| Water plants |
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| Pool owner's bane |
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| Seaweeds |
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| Cause of pool problems |
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| Diatoms |
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| Rockweeds |
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| Bane of pool owners |
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| Stoneworts |
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| Sea mosses |
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| Kelp and nostoc |
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| Sea growth |
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| Aquarium problem |
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| Marine plants |
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| Kelp and Irish moss |
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| Water growths |
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| Plants containing chlorophyll |
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| Swamp growths |
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| Rootless plants |
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| Chief aquatic plant life |
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| Aquatic plants |
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| Pond scum |
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| Seaweed. |
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| Water plants. |
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| Kelp. |
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| Kelp, dulse, etc. |
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| Pond scum. |
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| Seaweeds. |
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| Water growth. |
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| Stoneworts. |
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| Sea lettuce and rockweed. |
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| Pond life. |
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| Subject for study in 27 Across. |
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| Seaweeds, pond scum, etc. |
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| Sea plants. |
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| Green silk, sea moss, etc. |
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| Seaweed and kelp. |
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| Aquarium growth |
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| Fish tank gunk |
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| Tank buildup |
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