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Thread: Quick Question on Slamming

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    Quick Question on Slamming

    I've been following the instructions for SLAM-ing my pool since Friday 6/12. The pool has gone from swamp green color to an Aqua Blue. When I started the CYA was very high, close to 80 with Zero FC, I retested the CYA after adding much chlorine the last few days, and my CYA is now down below 30. My question, is the CYA test valid during SLAM-ing, or is it skewed like the PH test? If it is valid, should I also concentrate on getting my CYA back up to 40?
    24 Foot Round 52 inch high above ground Steel Sharkline Pool. Approximate capacity 14,700. Hayward 1.5 HP pump on a Sand filter.

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    Mod Squad woodyp's Avatar
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    Re: Quick Question on Slamming

    Does high FC effect an accurate CYA reading?

    Nice reference thread for you. Enjoy!
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
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    TFP Guide

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    Re: Quick Question on Slamming

    Does the cloudiness of a pre-SLAM pool contribute to a higher than normal CYA reading? Try putting just plain pool water in tube and see what you see?
    Bob - INTEX 12x24 owner, 'New to me' Kreepy Krauly Sand Shark, Test kit: TF-100 w/Speed Stir

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    Re: Quick Question on Slamming

    Thank you for the link to the post. If I am reading that correctly, it just states that I made an error testing my CYA level. That's fine if I did, but still leads me back to my original question. Can I measure and/or adjust CYA during the SLAM-ing process?
    24 Foot Round 52 inch high above ground Steel Sharkline Pool. Approximate capacity 14,700. Hayward 1.5 HP pump on a Sand filter.

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