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I am unable to calibrate my CAT 1000. I have replaced the sensor with a new one, and I still have the issue. Water testing puts the pH at 7.8, but the CAT 100 reads 6.2. When I attempt to calibrate the unit, the light stays red and will not allow me to increase the value on the display. Any...

After tile work in my pool, I'm left with floating particles that are too small for the sand filter to remove. The Dolphin pool bot is doing it's best, but the water is still cloudy. I've read about flocculents, and that sounds like a good plan. However, I've read that I need to run my pool on...

My Triton sand filter is not doing as good a job as it used to. The sand hasn't been changed in 10 years. Just recently, I had to hand vacuum my pool when the Aquabot died. As I was vacuuming, I noticed cloudy water coming from the returns. I stopped, backwashed, and then started vacuuming...

My Triton 2 TR-60 filter is leaking at the bottom. I can's see the leak, as it is under the stand that the filter sits on. The unit is 20 years old. My pool guys says that it may be that the fiberglass has delaminated, causing it to leak under pressure. If that's the case, he recommends...

My pool pump was working fine yesterday, but today it won't run. I discovered this by finding the breaker tripped. When I reset it, and tired to turn the motor on, it just hummed. I immediately turned it off. This pump is less than one year old, and the seals were replaced when I replaced the...

I have water leaking from the bottom of my sand filter. I have replaced the o-rings on the slide valve, and when I replaced the sand, the laterals looked fine. The leak was there before I replaced the sand. It is not leaking from the drain plug. Anything else to check before I have to open it...

What is the typical life span of a Jandy 1400 salt cell? Mine is 5 years old. I'm not seeing sanitizer being produced, even set at 100%. I tried cleaning it with muriatic acid, but that didn't fix it. I did briefly see a low voltage fault code on the controller, but it's no longer showing that...

While reinstalling my pump, I accidentally shorted the power connections. The breaker in the box tripped, but I apparently also tripped the relay. It's a Jandy 6581 3-hp. I replaced it with a spare, and everything now runs fine. My question is, can I reset the old relay, or is it junk? I noticed...

My Jandy RS One-Touch control panel as a bad screen. It is an older model, PCB 7750D, Assy 7751, rev. E 18/04. There are plenty of new control panels for sale, but since they are a newer build, I don't know if they will work with my 14 year old Jandy main panel. Anyone familiar with the...

I'm curious if others with SWGs are using zinc anodes in their pools? I have no ladders or railings to protect, but I did just have a galvanized pipe plug (factory-installed by Pentair) come blasting out of the heater manifold when it corroded sufficiently to weaken the threads. I see anode...

My Pentair Master Temp 400 heater needs a new plug on the header. The parts list indicates a zinc plug, but I was wondering if a brass one could be used instead? This is a salt pool. Thanks. Eric

I've been using the socks full of granular CYA in the skimmers, and squeezing the bags periodically, but it takes a couple of weeks to get enough of the stuff dissolved. Short of hanging more socks in the pool, are there other ways to get this CYA in the water? Thanks. Eric

What would be the correct percentage of muriatic acid to water for acid washing my pebble sheen pool? Thanks.

I am having the waterline tile in my pool replaced, and after draining the pool, I discovered these cracks. They slowly weep, and what I assume to be calcium deposits are forming below them as the water evaporates. How serious an issue is this? I have not noticed any abnormal water loss. I'll...

Help! It seems that the TA in my pool wants to be at 60. I can dump in baking soda, and get it back to 80, but within a day or two it drops back to 60 and stays there. I have very little surface disruption from the returns, so short of aiming them down, I'm out of ideas. All my other numbers are...

I just went to start my heater, and it would not fire. I removed the cover and saw the LED blinking once, which they say indicates an air-flow problem. I ran the heater a few days ago, and everything was fine. Are there any simple troubleshooting procedures I can follow before calling in a...

For the last couple of weeks, I've been getting an indication of combined chlorine when I do my drop test. The free chlorine was at 4.5 today. It only takes 1 drop of the FAS/DPD reagent to return the sample to clear, so that's telling me that there is .5 combined chlorine. Is this a problem...

I've got a 7 year old Jandy Aquapure 1400 on my pool, and Jandy Aquapure 700 on the spa. At opening this year, I cleaned the sensor on the 1400, and replaced the unit and sensor on the 700. I'm getting 172/181 codes from the 1400 (2 year old sensor), and 172/180 from the 700 (new sensor). One...

I haven't been having any trouble with my water chemistry, until recently. In the last couple of weeks, I can't keep the TA at 70. It wants to drop. I will add baking soda to drive it up, get the pH back to 7.5, and then within a few days the TA is headed down again. It stabilizes around 30. I'm...

My 9 year old Jandy Laars Lite 2 heater (325K BTU) has finally given up the ghost. The gas valve is sticking, there's a very healthy leak from the heat exchanger, the manual pilot ignition is kaput, and the burner tray looks pretty bad. The parts to repair it are more than the price of a new...

Hello all, new member here. From everything I've read here so far, this looks like a great site. My problem is with my spa. If I close the valve on the skimmer suction line, and run the pump with only the main floor draining feeding it, everything is fine. However, as soon as I open the valve...