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Thanks for your advice. We will see what option works.

We had a testing issue that resulted in artificially high FC readings. As a result, we put in too little chlorine for several days - probably a week or two. The water had been cloudy and eventually started stinking. We were scratching our heads as to why and then realized what we were doing...

The targets I thought I should shoot for are: Ph: 7.2 - 7.6 TA: 50-80 CH: 130-150 CYA: 20-50 FC: 3-6 My CH is probably closer to 250 and CYA is less than 20 but everything else is in range however my water is really cloudy. So I thought I'd check on whether my targets are appropriate or...

OK, I think I understand now. Based on that explanation, it seems I should just ignore the TC test from the K1000 since it seems very inaccurate. If I only had the OTO chlorine test available to me, I'd have assumed I had little to no FC given the TC was only 0.5 - and thats not the case...

Im really confused now. The test kit has weekly instructions for a Chlorine Drop Test, where it states: a. You will fill the cylinder with water b. You add a scoop of R-0870 c. Add R-0871 till the solution is clear. This is where the instructions state "Count each drop until the solution...

I just got a TF-100 test kits so started testing. Total noob here but I can follow directions. I thought Total Chlorine was always greater than Free Chlorine but that's not what Im getting on my tests. I've done the Free Chlorine test 3 times and the Total Chlorine test 2 times, checking to...

Just bought a MasterSpa hot tub about a week ago and as a total noob, Im finding it a bit challenging to get clear, consistent information on how to maintain it. First and foremost, those test strips that came with the spa maintenance kit are pretty bad. I burned up a bunch of them the first...