This is much better for planted aquariums and never seeps into the water. Activated carbon can sometimes leach phosphate back into the water, which can lead to algae outbreaks. Because it never leaches anything back into your water, you can always use it as a substrate or additional biomedium when it stops absorbing.
π Two Little Fishies Marine Snow ATLMSPD4, 16.9 oz
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ACCU-CLEAR Water Clarifier for Freshwater Aquariums - Quickly Clears Cloudy Water, Ideal for Weekly Use
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π U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
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