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Dr. Spa

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About Dr. Spa

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    near San Francisco
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  1. It's Michael aka, MWS, from San Martin area with the crazy hot-rodded H2X. I also have a 1998 or so, 8x8 Optima that needs a standard hot tub cover-- and remember having conversations with you about the good cover material/ choices, etc.   Got any wisdom for shopping for one?


  2. Hello I have a problem figuring out what model and serial number to use to look up info on my used hot tub. 

    They said it was a keys backyard. It seems there maybe some problems with this make of spa. 

    Please help!

    any help is a big help!

  3. You're missing your cost of gas. You'll need to compare your cost of a "Therm" of gas (generally how natural gas is billed) with 24Kwh of electricity (1 therm natural gas = 29.3kW electricity, however gas heaters are only 82% efficient).
  4. Does No One Water Test Hot Tubs?

    And there you have it from either a salesman of Arctic, or a rep from the factory! dang...now I gotta go look at all his posts. WHERE, well anything, is build has NO BEARING WHAT SO EVER on the climate it can handle...geez, how stupid is that? Actually, maybe he's not. Houses are insulated in the full foam style.
  5. This is the downside to this type of lifter. It's a VERY common problem. It's unfortunate that folks with disability issues think this lifter will be any easier than any others. The most difficult part of raising the cover is flipping back the first half. None of these lifters help with that, and after that, removing the rest of the cover is easier with any lifter.
  6. Uneven swimspa

    It could be from any number of "components". It could also be a dirty filter, or not enough water in the spa. You could try pushing to have some arbitrary component changed...but you know that saying about a snowball? It has a better chance. The dealer needs to come out, and diagnose the problem under warranty. THEN, after it's been properly diagnosed, it can be fixed.
  7. Tub water level rising

    Or, maybe the little water molecules are having sex in there and multiplying.
  8. Where is my Check Valve?

    It's going to be EXTREMELY difficult to replace.....as you don't have one (at least not above ground). More likely though, one of the seals in one of the gray 3-way valves is leaking and need to be replaced.
  9. Dementia and swimming

    This is NOT a medical forum and it should be discussed with HER doctor.
  10. Dead Sea Salt Natural Hot tub

    If you don't use something to sanitize the water most likely your guest will get sick, sue, and cause you to go out of business. There's noting other than chemicals to sanitize the water.
  11. What is this part?

    ozone check valve.
  12. Hi Dr. Spa,

    I have an Image Spa Renew 639 model number IMSB63920.  Do you still have a manual for this spa, and do you know what filter it takes.