When your test flashed pink then clear, it was likely because the amount of bleach you used in your test was way too much and bleached out your DPD. Your DPD is trustworthy, it flashed pink before being bleached out.Originally Posted by Jacob99
Re: I have to be doing something wrong in this testing....
When your test flashed pink then clear, it was likely because the amount of bleach you used in your test was way too much and bleached out your DPD. Your DPD is trustworthy, it flashed pink before being bleached out.
12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16
Re: I have to be doing something wrong in this testing....
Also I find it helpful to have a regular OTO kit so you're not wasting DPD-FAS reagents.
If you're not showing any chlorine with the DPD get the OTO test and don't use the DPD again until you see the OTO test yellow for chlorine. then use your DPD-FAS.
~18K gal IG Gunite -- 1-HP Pentair Whisper Flo with new 2-speed motor. Intermatic T1000 Dual Speed Timer -- Tagelus 60D sand filter
Hayward SWCG (up to 40K gal.) -- Polaris 280 and booster pump -- Rainbow (now Pentair) in-line chlorine Feeder.
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