Frequently asked questions

Hello, the sera internal biofilter B 400 included a sera submergible pump P 700 adjustable - the maximum feed performance of this pump is 650 l/h (170 gph). Best regards sera GmbHD...

Hello, it must push the air up to the bottom end of  the sera gravel cleaner (where the air passes into the main tube), that's all. Our sera air 110 plus is usually sufficient for...

Hello, this mainly depends on the fish - i.e. whether you keep species from standing or slowly flowing waters or ones with a strong current. A general statement is therefore...