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I have these build ups. If I address them promptly, they are soft and easily brush away. If I wait, they harden and require a stone rubbing. Some are pebble like, others are streaks. All no matter when I address them, they leave the surface smooth and white where the blemish was. They tend to...

I've been using the TFP app for a few years. My TA, once I quit chasing, has been steady 80 for months. The CH has been steadily dropping to 350 for even longer. The PH hardly moves, I add 1/2 cup acid once a week and maintain 7.8. (Keeping 7.8, not lower, is what I attribute to the TA...

Install was 11/2017 - I got my hours Hayward Swimpure Extreme T-15 940 cell; serial 4E17180-201316 Salt level = 3700 P-A-P; my strips indicate 4100 but they are a few years out of date. Voltage off = 31.4 First cycle - V 25.5 A 6.39 inst -3100 Second cycle - 26.2 A 5.02 inst -1700 From what...

It's been just over a year since "My Iron Stain Removal" thread. Since I have well water, I have staining again. The noticeable staining is really only on the drain covers. I removed them once and cleaned them with muriatic acid and looked good for a while, but the staining gradually returns...

I have a Sta-Rite Dura Glass 1hp (220v) that has been turning since 1995. The motor has been replaced once along with seals and O-ring when needed. The pump is indoor so not exposed to the elements. The motor is running fine. Has pump technology/efficiency improved enough to justify replacing...

Using poly-fill in the skimmers to remove iron. Should it float or sink? I repurposed poly out of a specialty pillow and it is packed into the basket but it floats the whole basket. I put tile to weigh it down. Is this normal?

On New Log - Add Chemicals - choose chemical type: at the very bottom of the list is Other Polyquat/Algaecide. This cannot be selected because it greyed out by the left arrow/main screen button.

I could not find my answer, so a new thread. Iron staining verified per the vitamin C tablet test. Over the years, when adding muriatic acid, I used a PVC pipe to concentrate the acid on the pebble surface. This would result in bright clean spots. Over time, this has created quite an ugly look...

Installation in Florida with lots of summer electrical storms. Would it be wiser to have the power to the electronics switched so that board(s) are not energized when the pump is not running or power to the board(s) always on whether the pump is running or not? Or does it even matter? Over,

Maybe I should have researched better FIRST. Too late, yesterday the H400 replaced a 23 year old Teledyne LAARS that worked mostly without issue, right up until it didn't. I already replaced the gas valve about 10 years ago, it needed it again along with the pilot tube assembly. But I remanence...