Basic question....
I am going crazy trying to fill the API test kit tubes to the 5 mL line by dunking them in the tank. I am thinking a big 20 mL syringe is the way to go, but 1) where to get some, and 2) is there a better way?
I am going crazy trying to fill the API test kit tubes to the 5 mL line by dunking them in the tank. I am thinking a big 20 mL syringe is the way to go, but 1) where to get some, and 2) is there a better way?