i'm treating for fin and tail rot and columnaris (body fungus) on a male rosy barb.
are maracyn and maracyn-two sensitive to light? should i keep the tank light off while treating?
also, is it safe to leave a filter cartridge with 6-month old activated carbon in the filter during treatment?
are maracyn and maracyn-two sensitive to light? should i keep the tank light off while treating?
also, is it safe to leave a filter cartridge with 6-month old activated carbon in the filter during treatment?