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One more hint. I successfully fixed the stripped Jandy Valve body holes using 1/2 inch black irrigation poly pipe. I cut a strip of poly pipe about 3/16 wide and the length of the Jandy screw, dropped the strip into the hole and replaced the screw. Works quite well, no more air leaks for me. I...

Thank you. My initial thought of using water pinpointed my leak. I used a small plastic indoor watering can and slowly poured water over each joint and each jandy valve and upon pouring water over one specific jandy valve, the bubbles stopped briefly and each time I repeated pouring water on...

My system runs 365 days a year, between 8-10 hours per day. The Pentair pump is 2 1/2 years old but the Pentair cartridge filter tank is roughly 19 years old. I clean the cartridges every three months due to dust, mainly. Lately, when the pump starts, the system is full of air and slower than...

I thought I should update the folks who were kind enough to assist me. Your diagnosis of mustang algae was apparently spot on. Because my CYA was at the upper limit and my water hardness was very high, I proceeded slightly differently as I knew I would have to drain my pool and spa. Rather than...

Based on advice above, I just ordered a TF100 Refill kit of new chemicals. I have only added about 2-4 cups of chlorine in the last three days.

Btw, I did two FC tests because I was at the 45 drops point (still bright pink) and thought I must have done something wrong, so I tossed that. Rinsed the container and re-did the test and arrived at the 50 drops to get to clear.

I swirled the chemicals. It was the 10 ml test. The chemicals are older, I'd guess five years? Too old? I store inside at room temps.

From what you're indicating, I guess it is slam time again. That mustard algae must be the culprit. When I see the green tinge and brush the area, it is a greenish yellow color that comes off. I never suspected more than just plain old algae due to an imbalance of chemicals.

Yes, I followed this sites Slam process. CL is the chlorine reading from the test kit. Says 1 for Cl and 2 for Bromine, from the Taylor K1000 basic test kit. FC is correct, 50! drops to get to clear.

I have an in ground pebbletec pool with attached infinity spa and rock water fall, approximately 14,000 gal. I have a 2 year old Pentair Whisperflow, 2HP pump and a Pentair cartridge filter system with four Filbur FC1978 cartridges that are 1 year old and were cleaned one month ago. I clean them...