Hi! I've had a Jacuzzi J225 (280 gallons) for 2 weeks. I can do math and understand pH so I was feeling...pretty confident. But:
I filled the tub from a hose, shocked it, waited a day, and tested. Test strip is shown below. It looked like--pH was way too high, and alkalinity was a bit low. So I added 1/4c of baking soda to increase the alkalinity and 2tsp of sodium bisulfate to lower the pH. Tested the next day, got the same result. I've now done this 4 times and the test strip is not changing. I got a different brand of test strip to make sure the strips weren't the problem. I've been testing every couple of days and getting the same results every time.
What does this mean? I can keep adding sodium bisulfate if that's the answer, but I'm wondering if something else is up given that the alkalinity isn't changing much either.
I filled the tub from a hose, shocked it, waited a day, and tested. Test strip is shown below. It looked like--pH was way too high, and alkalinity was a bit low. So I added 1/4c of baking soda to increase the alkalinity and 2tsp of sodium bisulfate to lower the pH. Tested the next day, got the same result. I've now done this 4 times and the test strip is not changing. I got a different brand of test strip to make sure the strips weren't the problem. I've been testing every couple of days and getting the same results every time.
What does this mean? I can keep adding sodium bisulfate if that's the answer, but I'm wondering if something else is up given that the alkalinity isn't changing much either.
