Forum: DPD-FAS based testing

30,000 gallon Gunite IG pool - probably about 25 years old and I have no idea when it was last refinished. I got it with the house two years ago. ...

Hi all. I have a vinyl liner pool 20x40 aprox 23,000 gallons according to my calculations FC=2 CC=1.5 TC=3.5 PH=7.5 ALK=200 CAL=190 CYA=80

Hi, love the new kit but concerned about difference in ALK reading. PS233 FC 3 CC .5 PH 7.4 ALK 130 CAL 270 CYA 75 Temp 84 PS234 FC 3 CC .5 PH...

Never owned a pool before. Can someone tell me if my chemicals are reasonable? Thanks. FC 11.5 CC 0 TC 5+ (more yellow that the top block of...

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...

Just got my new kit last week. FC 4.5 CC 0.25 (one drop) TA 110 CYA 40 CH 150 My results were pretty close to the pool store results. I...

First off I what to say Thanks!! to everyone that takes the time and share their advice with everyone. This is our first year with a pool, I had no...

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...

Hello Everyone, I was very excited today to receive my PS234 testkit. After spending the last month reading as many past posts as possible I...

I just got back from vacation and received my test kit. While I was away, it rained a couple of times, so I thought that I would use my new kit to...

Maybe a stupid quetion but here it goes. When testing CYA I know that you stop when the dot just disapears. The question is do you wait a second...

I've tested with my two test kits, P234 & 5-Way HTH. The HTH test kit is from Walmart and is brand new. All the numbers match except for the...

Received my PS234 today and tested: FC 4.5 CC 1 TC 5.5 pH between 7.2 and 7.5, probably 7.4 Alk 130 Cal 300+ (I quit after 30 drops -- no...

New pool owner, new pool construction 27000 gal vinyl lined pool with autocover, Pentair SWG: FC 3 CC 0 TC 3 pH 7.5 Alk 120 Cal 100 Cya 30...

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...

Hi everyone! I just received Ben's test kit and tried it for the first time today. Loved it! It was very easy to use. However, I'm a little...

I just received my new PS234 test kit and these are my numbers: FC: 1.5 CC: .5 TC: 2.0 PH: 7.6 Alk: 110 Cal: 60 Cya: 50-60 Temp: 82...

I've found a work-around solution to the tip problem, which causes undersized drops with the CHL#2 and SALT#2 reagents. Wipe the tips with a damp...

I'm very sorry, but we've been in a 'hold' mode on the kits since last Wed or Thurs, since discovering widespread problems with the dropper tips on...

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....

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

I've got a 25k gallon, plaster pool in So. Cal. Here's my results: FC: 7 CC: 0 ph: 7.6 Alk: 125 Cal: 260 CYA: 25 Temp: 82

I've received Ben's kit and am having fun testing! After a ton of rain I'm smelling CC so decided to test. In the FAS/DPD test I tested to...

PS233 kit results AG vinyl 21' X 52" appr 13,500 gallons pH 7.2 (I know I want 7.3-7.8 but I am thinking I am pretty close right?) TC this...

My pool is an 18' above ground with a capacity of about 8000 gallons. (54") deep. I tested the water to get an initial reading but it is only half...

My old PS233 test kit's label is quite worn and wrinkly. Any ideas on where to get the label printed so it can be erased without removing the ink...

Any one else out there having problems with this dropper making tiny drops that are hard to control. I am a little skeptical of the accuracy and...