OK, I'm confused. DPD is usually either a drop or a tablet. The OP said DPD powder. That sounds like FAS-DPD powder. If so, it won't bleach out at 10ppm, but regular DPD will. Sounds like apples and oranges to me.
Carl
Re: High amounts of DPD Powder needed!! To high or no Clorine?
OK, I'm confused. DPD is usually either a drop or a tablet. The OP said DPD powder. That sounds like FAS-DPD powder. If so, it won't bleach out at 10ppm, but regular DPD will. Sounds like apples and oranges to me.
Carl
Carl
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