Question about Intex Krystal Clear Model 635 Pool Filter Pump 1500 Gph

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I have the newest model of the saltwater system the CS8111.ITs the one that adds copper to the water as well as chorine.It has worked fine for about 6 weeks.Now when I press the Boost button to add copper the units just makes a beeping sound and the 80 code number does not appear as it should.Does anyone have an idea why this happening and how to solve the problem?

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These units are very new to the market. The Manual Provides useful info where codes are concerned.Could be a Salt issue. Although I'm not as familiar I'm sure you can look the code up in the manual for an explination or contact INTEX at www.intexcorp.com

The Pool Tech

Posted on Jul 10, 2010

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I have an Intex Krystal Clear Saltwater System, model CS8111. My problem is green water. I had been out of town for a few days and when I came home the pool was green. Also the low salt light was on. I...


If your salt is at the correct levels required for your pool and your still getting the "91" code on your LCD screen do not add more salt you need to clean the plates on the chlorinator. Look at your manual and it gives you instructions on how to remove, clean, and replace the chlorinator section on the pump. Reminder, if your PH and/or alkalinity levels are off you'll be cleaning the plates often because of the scale build up. I personally run my pump 4 hrs daily and I have never had a problem with green water however, once it did become cloudy (white) I began treating with algaecide and changing filter every 3 hrs. It cleared it right up. I love the Krystal Clear System.

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I'm not sure about an Intex saltwater system, but you don't want the copper levels to be too high. This can cause staining on the pool liner that is difficult to get rid of. I'd recommend taking a water sample to a local pool store and have them check all of your levels. Since the chlorine produced by a salt chlorine generator is unstabilized chlorine, you need to make sure you have the cyanuric acid levels within the proper range. This can be increased by adding stabilizer or conditioner.

Jun 16, 2011 | Intex Pool & Spa

1 Answer

Green water


Green water is indicative of copper in the water ... let the CL go down (the lower the better) add a sequestering agent according to package instruction ... then introduce CL again.

Conversely, the filter will eventually take it out.

Thanks for your interest in FixYa.com

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