Specifically Designed For Fluval Spec Desktop Aquariums, Biomax Provides Critical Stage 3 Biological Filtration. Biomax's Large Surface Area Provides Optimal Colonization Of Beneficial Bacteria,...
Specifically Designed For Fluval Spec Desktop Aquariums, This Premium, Activated Carbon Provides Critical Stage 2 Chemical Filtration. The Research Grade Carbon Has Large Amounts Of Surface Area For...
The Fluval Sea Foam Filter Block Is Suitable For Fluval Evo 13.5 Us Gal (52 L) Aquarium (10531), And The Fluval Spec 16 Us Gal (60 L) Aquarium (10525).
Nitrite Develops When Beneficial Bacteria Break Down Ammonia. This Becomes Extremely Toxic To Fish When High Levels Of Nitrite Persist In The Aquarium For More Than A Week. Test Weekly.