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Why do I get a creamy brown film when adding Cube and Oxygen?

We have found when adding a Mineraluxe Cube and then the Oxygen pouch, our Hot Tub developed a creamy brown film (which did eventually go away), so we consulted our Hot Tub provider and they are telling us to now only put a cube in once every two weeks and the oxygen pouch every other week. This contradicts what your instructions are saying. Can you shed any light on this? What is the Cube actually doing and what is the Oxygen actually doing? Why would adding the two result in this creamy brown film?
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  • Mike Drummond (Dealer Development Manager) June 23, 2014 14:22
    Hi Bruce,

    Thanks for your message. Quick answer is yes, the Cube and Oxygen could be leading to the creamy brown residue you are reporting.

    Here's the reason. It starts with the Cube. The Cube has the ability to lift organic deposits off surfaces like never before. When you think about your hot tub, the pluming lines are the only places that are not scrubbed clean when it is drained. Most drain products do a good job of removing the loose deposits, but don't always get it all. The Cube reverses the chemical charge in the water an literally pops deposits off of surfaces. The result is that this deposit is now free floating in the water and susceptible to sanitizers and shocks. When shock is added, its job is to attack the non-filterable waste in the water and to get it out. The buildup is likely a combination of oxidized organics (from the shock) and some bather waste (perspiration, etc). Just like in a bathtub, these tend to collect around the waterline on the wall of the hot tub. You should be able to easily wipe the residue away with a cleaning product.

    The reason the hot tub provider would instruct you to add the Cube and Oxygen every other week is that too much of the Cube could lead to a foam buildup. If your hot tub has low usage or is 1000L or less, adding the Cube every week could be too much. This may be the proper direction overall, but I think more shocking is required for your hot tub right now. I might even suggest you pickup a bottle of either Bromine Granules or Chlorine Granules and shock the water with a double does of it. This will help to break down the brown residue.

    I hope this helps Bruce. Please let us know if we can assist further or if you have any questions.
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  • I’m concerned irritated my skin
    Is it Okay to be in the hot tub during this process. My water was a bit cloudy,Bromine level was high, PH balance was very good, and I had a new filter added the cube and oxygen crystals got very foamy with yellow residue on the foam.
    • Mike Drummond (Dealer Development Manager) June 06, 2016 14:06
      Hi again Kelly.  The yellow residue is most certainly due to your high bromine levels.  The addition of the Cube is safe to apply while in the water, but not when adding Oxygen.  The Cube is a fusion of inert salts blended with moisturizers and clarifiers.  As it dissolves, it shouldn't cause any issue with bathers.  

      Oxygen on the other hand, creates a very high level of energy in the water to eradicate the 'waste' in the water the filter can't remove.  This would be very aggressive on the skin for bathers in the hot tub.  

      In the end, my rule of thumb is add the water care products either before you go in or after use.
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