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How to use bromine in your hot tub


How to use bromine in your hot tub - Click to enlarge

There are several disinfection methods by chemical treatment: chlorine, bromine and active oxygen. Bromine has the advantage of being long-lasting (it remains active for several days in a clean spa), being insensitive to pH and having little to no odour.

Are you treating your spa with bromine or do you want to treat your spa with bromine? Here is some information that may help you.

After draining or restarting the spa

If you're changing the water or if your spa has been off for a while, it is possible that biofilm has developed in the piping. You must therefore start with a cleaning using the Ahh Some to remove it. You can find the instructions on how to remove biofilm right here! It also explains how to make sure it doesn't come back (cause no one likes biofilm).

Regular treatment

You got rid of the biofilm? Yay! Now you can start on the regular treatment. If necessary, fill the spa with water, and follow these steps:

Start by adding non-Chlorine Shock, at a rate of 15g per cubic meter of water. This will eliminate the bacteria present in the water.

Then add 2 tablets of bromine to the basket of your skimmer (there must always be two tablets, replace them once they're fully dissolved), or use the tablet diffuser that you have to fill with tablets, and adjust for a slow diffusion. To do this, refer to the instructions provided with the diffuser.

We highly recommend that you add a dose of non-Chlorine Shock after you use your spa, to eliminate bacteria, perspiration and other organic matter brought in by swimmers.

Ideally, you should check your free bromine level once a week, just before swimming. This rate must be between 2 and 6 ppm. There are two methods for measuring the free bromine levels: with strips (fast, but imprecise) or with an test kit containing DPD1 tablets. We recommend the latter method instead.

"Shock" your water regularly

The use of shocking agents is important, since bromine will act against bacteria each time the spa is used, but it will gradually become saturated (free bromine will react with the bacteria to form combined bromine instead, which is less effective). Shocking with non-Clorine shock the water will partially reverse the reaction and "release" the free bromine.

Check the pH value

Even though bromine is not sensitive to the pH of your water, you still need to adjust it to ensure good treatment stability. A good pH is between 7.0 and 7.6.

  • If the pH is too low you will have to use pH plus
  • If the pH is too high you will have to use pH minus

If you notice that the TAC (total alkalinity) of the spa is too low, add a little pH stabilizer.

You can also find the main products needed for processing in the form of boxes.

 

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