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Unfortunately this control system doesn't allow any customization. All on or all off. Ozone, circ pump and heater are all tied together. Maybe I'll switch to a Chlorine only system....

Well, I think I give up. I added two 16 oz bottles of 3% peroxide and the Taylor kit was reading over 30 ppm bromine 10 hours later. Drain and refill...

Well, the water is still clear, but the sanitizer level is still well above 20 - even with the Taylor kit. When I super shocked with the dichlor, did I oxidize the sodium bromine beyond recovery? I can't turn off the ozone system without stopping the circ pump. Do I need to just drain and...

Thank you! We are looking much better.... [attachment=0:298utske]ImageUploadedByTapatalk1370923921.308928.jpg[/attachment:298utske] The test strip results vary dramatically, depending on which brand I use - can't wait for the kit to arrive. As for root cause, I determined a flaw in the...

Thanks! Will getting the pH correct lower the bromine/chlorine concentrations? That's one relationship I trying to understand.

How much 20 mule team borax is 50 ppm in a 340 gal tub? [attachment=0:ruz1z9g4]ImageUploadedByTapatalk1370830288.021073.jpg[/attachment:ruz1z9g4] We are getting better, I ultimately had to add 32 oz of 10% sulfuric acid, then added more white vinegar. Now the pH is 6.4 Alkalinity is 120...

Thank you. I proceeded with a super chlorination, targeting about 100 ppm using dichlor (about 8 oz granuals). After about 4 hours, cycling air jets on and off, that seem to have gotten rid of a lot of the muck and minimal foam, but I've been battling to keep pH down and alkalinity up. And...

pH is now 7.4; in total about 16 oz of spa down (10% sulfuric acid) added over 14 hr period. Alk 180 Hardness 200 Bromine is hard to read, the two different test strips come up with different readings. I've also heard high bromine/chlorine levels will affect test strip performance (for at...

Update, waited 30 minutes and retested. ALK 180 pH 8.2 BR 20 Hardness 200 Added more spa minus (10% sulfuric acid), will test again in 30 min.

Thanks! That button isn't visible on the TapaTalk App. The details: 350 gallons 100 degrees Alkalinity 120 pH 8.4 (just tested, jumped up from last night when it was 7.6; added some ph minus and will retest) Bromine 20 Hardness 200

Newbie here and glad I found this forum. We have new spa (less than 1 month old) and had been using the Leisure Time Bromine System that came with it. While I was gone the, the 24 hr circ pump failed to operate for a few days and I returned to a green slimy hot tub. Since then, we've added...