Recent content by douglee25

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    DIY Automated Controls - Advice Solicited

    Any new updates yet? Thanks again. Doug
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    Automation Controls

    I currently have 4 relays that control motors, lights, blowers, etc. I have no relays for valves. I currently operate all my valves by hand. If I wanted to automate I need two more relays for the valves. Doug
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    Automation Controls

    A system for me needs to control both the spa and the pool. My pool and spa are operated via 1 pump for normal operation when filtering. I have an additional spa booster pump. My filter is on a daily timer. I currently manually isolate the spa when needed. If I chose to automate this...
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    Automation Controls

    My Jandy unit has failed due to this exact reason. Doug
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    Can't identify this funnel Pool Equipment and its use (Pics)

    Re: Can't identify this funnel Pool Equipment and its use (P X2 - The venturi causes an increase in velocity which translates to a pressure differential between the beginning of the nozzle and the middle of the nozzle. The middle of the nozzle has the lower pressure differential which will...
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    Autopilot DIG220 Fried Board

    This is one reason why I hate proprietary boards in pool control systems. I have had a similar problem with my Jandy setup this year. In the course of one month, I have had two board relays and one or two control circuits stop working. I designed a system on paper that will utilize a PLC for...
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    Granular CYA? How to add.

    I put it in a sock over both returns using a big rock to hold it in place. After several hours I go back and massage the sock in front of the return until it's fully dissolved. Doug
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    using RTF silicone

    Ok it may be a different style than I'm thinking of. Doug
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    Can't get FC up to appropriate level

    According to the CYA/Chlorine relationship chart, at 70ppm CYA, you need to be shocking at FC-28. It needs to hold there until the pool clears, the overnight FC loss is 0, and CC is less than 0.5. pool-school/chlorine_cya_chart_shock Read here for how to shock a pool and how to know when the...
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    Gap between concrete and pool border

    BASF SL-1 and NP-1 are not made for high chlorine concentrated areas like pools. Read here for SL-1 http://www.basf-cc.com.sg/en/products/W ... L1_PDS.pdf and here for NP-1 http://www.basf-cc.com.au/en/products/J ... P1_TDS.pdf Try Sikaflex 1CSL (self leveling) or Vulkem 45 for pool coping...
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    using RTF silicone

    Get a new gasket and use a silicon lube (not rtv gasket maker) made for pool gasket/o-rings. Doug
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    Money Pit, Part 1 - The Leak - **Update - New Weird Leak**

    Re: Money Pit, Part 1 - The Leak Nice!
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    Money Pit, Part 1 - The Leak - **Update - New Weird Leak**

    Re: Money Pit, Part 1 - The Leak Updates?
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    Newbie uncovering a filled-in pool

    Very nice job. Doug
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    CC rose after like 5 days..

    You might want to think about raising CYA slightly. That will also help your FC from burning off during the day. Doug