Sorry if this is a repeated question as I'm sure it is.
But how soon can I re-test my water for CH and CYA after I've diluted it with tap water? I've been told 15 minutes for pH and Alk, but this apply?
But how soon can I re-test my water for CH and CYA after I've diluted it with tap water? I've been told 15 minutes for pH and Alk, but this apply?