Chlorine pH and Alkalinity Readings

by Mrs M Mcleod
(Prestonpans East Lothian)

I have a 12ft x 30in pool its been fill for three weeks now and i cannot get the chemicals levels up to were they should be my water has went slightly cloudy and my filter has been running for 16 h with no improvement please can you help





I'd like to have your complete chemical readings, the actual numbers:

Chlorine, CYA (cyanuric acid/stabilizer), pH, Alkalinity, Calcium Hardness, and Metals (iron and copper) and names of any algaecides you may have used along with clarifiers, phosphate removers, and/or flocs. It makes troubleshooting much easier and the process of clearing up your pool will go much faster.

Without these numbers I'm just guessing at what the problem is. Get back to me with the chemical numbers and I'm sure I can help.

Robert

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Jul 25, 2014
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Keeping My Pool Clean
by: mrs m mcleod

this is my first garden pool and im using pool power mini quick tablets with clear water tester sticks but i cant seam to get the levels up to the required readings sanitiser free chlorine mg/1(ppm)is at 1, ph is at 6.8 and total alkalinity is at 80 im also using my filter system as much as possible its been on for 24 hours

Jul 25, 2014
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Keep Pool Clean
by: Robert

Alright, we're making some progress but I still need the rest of your chemical readings, the calcium hardness and especially the stabilizer/CYA. I believe what you're using is Sodium Dichlorioisocyanurate, or Dichlor chlorine for the short name. This is a stabilized form of chlorine. This kind of chlorine is not good for regular weekly pool maintenance.

If you've been using this in large quantities the stabilizer may be too high. Or your may not be using it enough which means the stabilizer is too low. The proper range for CYA is 30 - 50ppm. Once you reach the 30ppm mark you need to stop and using regular liquid chlorine.

This is why having the CYA reading is so important. You can have all of the other readings perfect but if the CYA is too high or low it can render the chlorine ineffective which will cause cloudy or green pool water.

Right now the pH is 6.8 which is just a bit low but nothing to worry about. A little sodium bicarb can fix that. The TA is fine at 80ppm.

The reading of the CYA will tell us which way to go.

If you feel your situation is more complex than this, I do phone consultations for a donation of your choice. It makes things go much faster and many people have found it extremely beneficial, saving them time and money in the long run. All your questions will be answered. I have nothing to sell you so you know I'm not bias.

Pool Consultation

Hope this helps and have a great Summer.

Robert

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