Recent content by johnpage

I don't know the exact number of gallons for the SPA, so I was checking that I had gotten the FC high enough (reason for testing). I was really only shooting for about 25ppm, so now I know its less gallons than I thought. Yes I wish I had done a Ahh-Some run, and will order some for the next...

I could kick myself for not taking before pictures, but I really did not think I would ever get it back in useable condition. I have taken pictures of the pool that is in even worse shape, I may tackle that project next summer. All of the great info here on TFP has helped a bunch, and had...

JVTrain, Yes I was using a syringe that came with kids liquid medication to measure, and only about a half a scoop of the DPD powder. I guess I need to order more reagent, and be more patient, counting to 60 drops is tedious. The high shock is part of decontamination. This is a in-ground...

Testing Shock levels of FC (FAS-DPD) uses a lot of Reagent. Even if you are testing 10mL 0.5 ppm, that's 40 or more drops for 20+ ppm. I am wondering if my math below is correct and if this should work. Going to smaller sample sizes is more intuitive half the sample size = twice the ppm. I...