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    Frequency of preventive lamp rubber seal replacement

    I've installed a $150 LED light bulb along with a new lamp gasket/seal two years ago and assume that if the rubber gasket leaks and wets the electronics in the bulb, the bulb is lost. I've only had a pool 3 years so don't know what life expectancy to expect from the seal. How often would you...
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    Teledyne Laars Mark V 400'000 BTU heater overhaul

    This post is not really to ask a question. It is rather to share the experience of attempting to overhaul my mammoth. The heater came with the house and its gas supply was off. When the gas technician was here to turn the water heater and whole house air heater on, he also had a look at the...
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    Reducing electricity use with pump mods

    Hello, I have a sta rite wet end (from the 70s?). I believe 1hp impleller (not sure. i have not removed the impeller, I attached a picture and serial # on the shrout is C103-137P1)). The wet end was formerly (before i got the house) attached to a 1hp sf 1.65 a.o.smith (8A@230V). now attached to...
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    Comparison of three methods to half the CYA

    1) drain 1/2 the water (in one shot) and refill. Cost: 50% of the pool water capacity 2) drain 1/4, refill (now CYA is 3/4), drain (1/4) refill (now CYA is 0.56), drain (12%) and refill. Cost: 62% of pool water capacity 3) drain 5% refill (now CYA is 95%), drain 5% refill (now CYA is 90%), etc...