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  1. C

    Any Stenner pump acid tube swap safety tips?

    Hi - A condo complex I am associated with uses 4 Stenner pumps located inside a building - 2 for acid and 2 for chlorine for a pool and spa with a couple of Chemtrol pc2100 controllers. They went in last year and the tubes should be changed soon, (and downsized from a 5 to a 1 or 2). I've...
  2. C

    Obtaining Borate drop test reagents

    Hi - The web page for Piscines Apollo indicates they won't ship their borate test to the US. I know the lamotte test strip could be used, but I'd like to use a drop based version if possible. It seems like it could be replicated with mannitol and Bromthymol blue. Does anyone have a...