Originally Posted by
chem geek
Just curious. Was there any metal in the pool near the area where your floater was tethered? We have two stainless steel bars that are under the water in the shallow end (my wife had polio as a child so uses the pool for exercise so we have a ramp in the pool and these just-under-the-water bars on the side). The rust seemed to come from the metal anchoring in the plaster (the two closest to where the floating dispenser with Tri-Chlor was tethered) which does not appear to be stainless, unlike the bars themselves.
Also, are you using Tri-Chlor in your feeder? If so, do you frequently have to add base to your pool (Borax, Soda Ash)? I found that I did, but since switching to liquid chlorine my pH is rock solid stable. The main problem with the use of Tri-Chlor was that my CYA went over 100 (probably around 120) in one and a half seasons.
Richard
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