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Dr. Spa

Member Since 21 Sep 2005
Offline Last Active Today, 07:24 AM

Posts I've Made

In Topic: Brown Water... Tanin Leaching

31 August 2014 - 08:25 PM

Ozone by itself will do very little to sanitize the tub. Additionally, it will eat away and deteriorate the wood above the water line (additionally, after 2 years your ozonator is probably not producing ozone anymore). You need to be using chlorine for sanitizing, as well as to bleach out the tannins. Where did the tub come from??

In Topic: Switching From Chlorine To Bromine Without Changing Water ?

30 August 2014 - 07:13 AM

You CAN just start using bromine...though, with the water 3 months old, it couldn't hurt to change the water (switching from bromine to chlorine, requires changing the water).

In Topic: Gfci Question

28 August 2014 - 05:21 PM

Regardless of how it might be pictured on the diagram, the neutral from the spa runs THROUGH the GFI breaker, out the pigtail and to the neutral bar of the breaker box. The GFI breaker has to monitor the current flowing through the neutral wire to work properly.

In Topic: Dual Pressure Switches...

22 August 2014 - 10:23 AM

Maybe, probably, perhaps, perhaps not. It might be helpful to know what you actually have. Brands, models etc.

In Topic: Insulating Under Spa?

21 August 2014 - 04:49 PM

I like the blue board idea. The plywood WILL rot out rather quickly ("marine grade" only uses a different/better glue than regular plywood and the wood will still rot), and I wouldn't use it (they make a pressure treated plywood that would be a much better choice...if you can find it.).

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