i have 2 30 gal tanks im using geo-marine florida crushed coral test kit ph,alk,nh./nh4,no2 no3 is every thing it tests i also have hang on tank canister filter for a 55 gal 2 1 for each tank 2 skilter supreme 400 1 jar superbuffer-dhk lots of instant ocean salt 2 heaters 2 ZooMed Zoo Med Power...