Forum: DPD-FAS based testing

I have a 20,700 gal outdoor plaster pool with a salt chlorine generator in dallas TX. Using the PS-234s I got the following: FC: 7 CC: 0 pH:...

Water is crystal clear don't know if it's because of adding too much bleach or what thats all I use, any suggestions please 15,500 gal gunite...

32,000 In Ground Vinyl PS 233 Kit FC 1 CC .5 TC 1 PH 8.2 Alk 160 Cal 150 Cya 40

Took my 234 test kit over to my brother's 16 x 32 inground (18,000gls) vinyl pool and here's what I got...... Water is crystal clear, traces of...

Okay - the first test with the test kit showed that I had high CYA (100). So, I decided to do a partial drain and refill. I think I am good to go...

IG Diamond Brite pool approx. 20000 gals fc = 2.5 cc = .5 tc = 3 pH = 8.2 alk = 100 cal = 400 cya = 40 temp = 91

I received the ps234 kit yesterday, however I was on vacation for a week and put 7 tri-chlor pucks in before I left on vacation. Here is what I came...

fc .5 cc 0 tc .5 ph 7.2 alk 40 cal 120 cya 0 28,300 gallon ig gunite pool where should I start? water actually looks pretty clear, brown...

Ok I put 60 drops in for FC/CC test. The sample stayed a bright pink. The TC test the sample stayed a medium orange PH - 7.0-7.2 ALK - 0 CYA...

Tested Jul 15. FC:0 CC:0 TC:0 My Chlorine dies within a couple days pH:8.2 Alk:580 Cal:0 Cya:0 (Probably why I have no Chlorine)

This my first pool and like so many others I have already learned so much from this site. I can't thank you enough. In fact, I've learned enough...

Recently received the kit and did my first test on 20,000 gal vinyl salt pool with copper ion. FC 5.5 CC 0.5 TC 6.0 pH 7.5 Alk ...

These are my results that were taken this morning. AG-18400 gal with SWC FC=4 CC=1 TC=3 PH=7.5 ALK=100 CYA=40

My pool was finally filled on Thursday, took one hour and 15 minutes (the benefit of being a local firefighter). The builder "started it up" by...

Got my kit recently and just got my 1st test results this weekend. Not too bad. pH is a little low; bringing that up tonight. Cya will come down a...

FC 6, CC 1.5, TC 7.5 , PH 8.2, Alk 100, Cal 70, Cya 0. Temp app 70. PH is high can I use HCL to lower? No Stabilizer, what can I use? Thanks

We just got our kit and are happy to have it but not sure what to do now. We have a 16,000 gal, inground, saltwater system. Here are our numbers....

First Test Results w/PS234: FC 4 CC 0 TC 4 pH 7.6-7.7 Alk 110 Cal 150 Cya <20 (pool store said 10 two weeks ago) Temp 88

My Taylor K2006 kit is getting low on reagents but rather than order new I figured I'd order Ben's kit. Anyone know if I ordered today when it would...

Any feedback? (You may have given me feedback on algae thread -- if so, thanks!) 7/15/06 FC - 19 CC - 0 TC - 19 pH - 7.6

When testing for TA the green test water changes to a definate grey and two drops later changes to red. When do we stop counting? When the green...

I have a 32,000 gal inground, vinyl with a Aquarite SWG. I used Ben's kit for the first time today. (I felt like some kind of mad scientist with all...

First time pool owner with new pool ( has had water in it for 3 weeks). It is approx. 22,000 gal IG, diamond brite finish, pool pilot dig220 swcg,...

Just completed my first test with Ben's excellent kit. :) Pool is a one-year-old vinyl AG, full of 23.5K gal. of naturally acidic well-water,...

To do my tests, I go get a cup of water from my pool and bring it in my office. I spread Ben's kit out on my computer desk and test everything each...

The instructions for the CYA test say to do it in outdoor light. Does that mean standing in direct sunlight or not. The reason I ask is that if I'm...

I was very excited to get my kit. I ran my first test yesterday and found that my tap water had more chlorine. The salt cell was totally gummed up....

Hi everyone, I am a new pool owner this season, and have learned a ton from you all. I had been using test strips until today when I received my...