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This has me a bit baffled. I have had my Liquidator running very successfully for several seasons. Just over the past few week, I noted that it was no longer keeping up with the chlorine demand. First thought it was all the debris from recent rains. Now I notice that the chlorine bed is not...

Hi All, I have an Aqualink RS4 that and the cold weather has activated the freeze protection. What I am noticing is that when the temperature is right at the set point, the pump is being turned on and off rapidly (as much as 15 to 20 times a minute). That can't be good for the motor. Is this a...

I know there is a long list of "interferences" for ORP measurements including CYA, pH, etc. It appears that there is a complex relationship with temperature as well. I get very large swings in ORP readings as my sample of pool water warms up from ~60 degrees to ~75 degrees. I say complex...

My CH is in the 600's which I manage by keeping my pH and TA on the low side. While not an emergency, I would like to lower the CH. Dilution seems to be the preferred method, but a recent Google search discovered some products that claim to lower Calcium Hardness (see...

So now that we have continuous infusion of chlorine using the Liquidator, can we safely use the SWG levels for chlorine rather than the non-SWG levels? I generally run my pump (and hence the Liquidator) from 9:00AM to 6:00PM, so I'm feeding chlorine continuously during bright daylight. Moving...

It appears that the Pool Calculator does not take into account the Borate level when calculating the dose of muriatic acid required to lower pH. Does someone have a formula to make the adjustment. I have about 50 ppm borates and the amount of acid required is Much larger than computed with the...

First some background. Purchased this home early last summer with 12 year old pool. Had four months of use history before it was drained in preparation for replastering. Prior to replastering, the pH remained very stable, requiring the addition of MA only a couple of times over the four months...

I've been lurking since last year when I purchased my home which had a pool. Reading the considerable knowledge base on this forum has been a real education and my pool is doing extremely well as a result. I had the pool re-plastered over the winter and as a result I am pouring in lots of...