API Ammonia Test Kit (Salicylate) Omosako CaribSea Aragonite Hawaiian Black Sand

CaribSea Aragonite Hawaiian Black Sand contains authentic reef sand and never needs replacing

The sponge is quickly populated by beneficial bacteria

Eheim Carbon Filter pads for the Eheim Classic 350 external filter

It also provides superb colour rendition

API Ammonia Test Kit (Salicylate) Omosako CaribSea Aragonite Hawaiian Black SandMeasures ammonia to help prevent fish loss. Taking a few minutes each week to maintain and monitor aquarium conditions is the key to a healthy aquarium. Tropical fish continually release ammonia into the aquarium through their gills urine and solid waste. Uneaten food and decaying organic matter also add ammonia to the water. Even small amounts of ammonia stress fish; large amounts of ammonia will kill fish. Ammonia is the number one killer of