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Prism tub, need help!

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castletonia:
When you say cap fulls of chlorine are you referencing granules or liquid?  And how long are you waiting after you add the chlorine before you test?  If you are testing like 5-10 minutes after adding chlorine and you have no reading, either your test strips are bad or the water is really bad and its going to take a lot of chlorine being added to get an actual reading.

Hot tub dummy:
Cap fulls of granuals, I test it the next day, Iv'e had the boost on since yesterday, Just tested it and still no chlorine reading. I know I need to test the TDS but I need to order a tester to do that. Until then should I just add a bunch of chlorine until it shows?

castletonia:
If you keep adding granules you are going to increase the Cyanuric Acid (CYA).  Once the CYA gets too high it will make the chlorine less effective and possibly create a chlorine lock situation.  High CYA will make the salt system work less effectively, if not at all.  The fact that you are adding capfuls of chlorine and get no reading would lead me to believe that you may already be in that situation and the only solution is a drain/refill.  If you are adding chlorine after the start-up process with any frequency, it needs to be liquid (bleach or pool shock).  Also need to test for phosphates.

Since I don't have a sample of your water to test, I can't with 100% certainty tell you what the issue is, but if you were my customer, I would probably be advising to drain/refill and start over.  Does your dealer not do water testing?  If not, is there a different local pool/spa store that does?  Without having a complete water analysis, you are trying to correct and issue without knowing the root cause.

Every customer I have had that has had issues with the Freshwater Salt System have all had the same initial problem: bad source water.  I hate to say it, but if you source water is not good and you do not do the proper start-up process, you're probably in for a frustrating experience.

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