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Tetra Fountain Block helps to control algae growth in ornamental fish ponds to keep the water looking clear and sparkling. The blocks are ideal for containerized fountains and ponds that do not include live plants. Each block dissolves slowly and steadily to clear algae blooms in your pond or fountain.
SKU | 3328941 |
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Primary Brand | Tetra |
Days to Ship | Ships Next Business Day |
Weight | 1.8 OZ |
Personalized Item flag | No |
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Length | 1.8 IN |
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Height | 6 IN |
Width | 3.6 IN |
Tetra Fountain Blocks are easy to use. Use one block to treat water volumes between 30 and 80 gallons (110 to 300 liters). For initial dose, add one block for each 30 gallons (110 liters) of fountain water. For regular maintenance, replace block(s) after previous block(s) have fully dissolved, usually after 10 days.
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Algae Blocks for Fish Tank
Pond Treatments
Saltwater Tank Algae Control
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Fish Fungus & Bacteria Control
Algaecides & Water Clarity
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Tetra Pond Cleaners & Water Care
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Tetra Aquarium Water Care
Tetra Pond Fish Food
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Imagitarium Pond Cleaners & Water Care
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Tetra Aquarium Filters & Media
API Pond Cleaners & Water Care
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Tropic Marin Algaecides & Water Clarity
Sera Pond Cleaners & Water Care
Tetra Aquarium Filter Cartridges & Media
Tetra Aquarium Equipment
Tetra Fish Food
API Algaecides & Water Clarity
I have recently used medication in my 50 gal freshwater fish tank with one 22 year old comet goldfish in it . the meds cured my fish but must have killed my beneficial Bacteria as now my established tank has been going through another nitrogen cycle. It's been four weeks now the ammonia us back to zero so is nitrite zero BUT my nitrates are now spiked about 80 and the water is cloudy. Did 2 partial water changes over the last 8 days. Will a UV sterilizer help ?? Please advise. Thanks Lina
I have a problem with parrot fish tank , when after water change I used 1000mg erythromycin for prevention to fungus and bacterial infection for parrot fish , so i today mistakenly not running filter and heater ,after that I seeing that in a large quantities white micro parasitic or bacteria type in tank in a free swimming stage swim all over tank though what I do that in this condition please help me ?
After using metronidazole 400mg×2 tablets in 75 litre aquarium tank, my two parrot fish has thread like some seeing near gills and genital area ? How to treat them ?
My fish tank got infested with pink algae and green algae and the fish are acting lethargic and dying.
Hi, My fish has white spot which is expanding. It also has something around mouth. Spot looks white with small dots in it. I thought it is an ich outbreak. Currently tank is treated with Sera omnipur (30% of recommended dose). It is big pufferfish. thanks for your help Nikola
I have a black moor gold fish who has a severe case of Popeye I quarantined him in a separate , but I’m not sure what medication to use for him .
My new fish tank is being occupied by some white cotton web like thing at the bottom.. the are found on the natural plants and food remainings in the tank.. please help .. how to get rid of it? I tried changing the water 3 times..
When I change the water in my fish tank, after I add the appropriate amount of conditioner, a white fuzz seems to appear on all the objects in my tank, aside from the fish. I’ve had the tank for over a year now and it happens on all the water changes. My fish seem to be unaffected (I have 4). What could potentially be happening?
My gold fish got white spots on her fins and body and she has got red spots also. The white thing looks like fungus. 7 of my fishes died due to this. They became slow and just sat down and slowly died. Just one left plzz help. What can I do?
Hello, I have a betta and I'm sure he has moderate fin rot. Thing is I have him in a 1.1 bowl because I broke my bigger 2.5 gal tank. Ive been doing water changes and recently bought aquarium salt, bettafix, and Tail and Body Cure from API but I'm not sure how to use it in such a small tank w/o a heater... I know its such a bad environment but its not for long. I just need my betta to last a weak till I get a decent tank. Could you please give me a suggestion. I greatly appreciate your time.
I noticed bloat in my flowerhorn about two weeks ago. It was there when I fed him and went away when I didn't. So I treated him with Epsom salt soaked pellets, bloat was present then. Then I noticed white poop so I stopped feeding entirely and added metronidazole 400 to the tank. Didn't work as I only saw white poop, so I added the medication into his food and now I can see brown poop hanging from a clear poop sticking out of his butt. Earlier the poop didn't stick out of his butt. What to do?
My goldfish appears bloated