I bought these for my plecos, I was hoping it would help turn my aquarium into a darkwater aquarium and I think these sheets didn't have enough tannins. So don't buy it if you plan to use it for an aquarium, although I think it's a good product for terrestrial hermit crabs.
API ALGAEFIX Control Solution 16 Ounce
3 Review
π Seachem Prime: Powerful Chemical Remover and Detoxifier for Fresh and Saltwater Aquariums
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π Aqueon Aquarium Water Conditioner Solution
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26 Review
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68 Review