jtez
Aquarium Advice Activist
I bought a secondhand 37 gallon tank and it came with almost everything I needed. Amongst this were 2 products: "Filter Carbon" and "Ceramic Substrate"
At the moment I'm only running my filter with just sponges and it appears to be cycling well - should I add these things to my filter now?
At the moment I'm only running my filter with just sponges and it appears to be cycling well - should I add these things to my filter now?