External canister filter and ICH in Diseases Posted May 12, 2021 I had to shut off my external canister filter (with activated carbon) for a few days while I treated for ich. When the treatment is over ( a week or so) can i just turn it back on or should I clean it out first. 1
External canister filter and ICH
in Diseases
Posted
I had to shut off my external canister filter (with activated carbon) for a few days while I treated for ich. When the treatment is over ( a week or so) can i just turn it back on or should I clean it out first.