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Care for your Spa or Hot tub 6 Keys of Spa Care Chlorine-Bromine Spa Start Up Chlorin-bromine maintenance Soft Soak Start up & Maintenance Pristine Blue Spa Care AquaFinesse for Spas & Hot tubs Nature2 for Spas Spa Frog Swim Spa care Spa & Hot tub chemistry questions Purge, drain & refill spa or hot tub Spa Hot tub Water Balance Spa Biofilms Foaming, cloudy water Odors Spa Water Mold Spa water illlness, rashes Text Box: Spa & Hot Tub Care

Spa & Hot tub Care, Tips, Information

How do I properly Drain my spa or hot tub?

Purging, Draining & Refilling your spa or hot tub is a very important factor in caring for your spa, the spa's components & more importantly, the people using the spa.

Watch the Purge, Drain & Refill Video.


Many spa & hot tub water problems start from a lack of proper maintenance; especially drain & refilling. But it's just a little more than that. We are answering a LOT of questions dealing with slime, spa mold (WWM) & biofilms lately.

Keep in mind that these problems are preventable. Also keep in mind that normal maintenance including shocking & water balance will have almost no effect. The fact is shocking with tons of chlorine, bromine or hydrogen peroxide WILL NOT do a good job killing it, never mind removing it.

WWM grows & thrives on an underlying "bed" of bio-film. And even bio-film is VERY chlorine/bromine resistant. The only way to deal with the WWM is to use a product such as Spa Purge or Swirl Away or AquaFinesse Spa Clean Tablet or Spa System Flush or SpaBoss Whirlpool Rinse  to attack & remove the biofilm. Here's some further information regarding bio-films & white water mold.

In cases of severe WWM infestations, use Hot Tub Serum. Hot Tub Serum is a brand new product (3 years in development) that is proven to remove 10 times as much WWM and biofilm in under 30 minutes than any other product!

Follow these 3 Steps whenever you Drain & Refill your spa:

  1. Add the Spa Purge, Swirl Away, AquaFinesse Spa Clean Tablets or Whirlpool Rinse to the spa. Allow to run overnight, about 12 hours or so. These products will aid in removing the existing bio film. Don't be surprised if the water gets NASTY looking.

    If using Hot Tub Serum, it will work remarkably quickly & thoroughly. Allow it to run for 20 - 30 minutes, then continue.
  2. Drain & physically clean all fittings, pillows, skimmer & filter areas, etc. Be sure to chemically clean the filter cartridge on a monthly basis.
  3. Refill the spa.

In a bad or serious case of WWM, it may be a good idea to repeat the procedure. That way you can start off clean. Biofilms will re-grow, so whenever you drain & refill the spa, you'll need to purge the plumbing lines where all of that stuff grows.

There is no real way to prevent bio-film growth, unless you are supplementing the spa care with AquaFinesse . This product had good field proof of preventing & removing bio-films.

Chlorine, bromine will both be absorbed by the bio-films. Ionizers like Spa Frog or Nature 2 have no effect. Biguanides like Baqua Spa, Soft Soak or Leisure Time Free will only "adhere" to the bio-film.

There is no easy fix and you've got to be aggressive against it.

Compare Various Spa Care Systems
compare Chlorine, Bromine, Soft Soak (Baqua Spa), Ionizers, Ozonators

For further information, please visit our Knowledge Base

For further information & treatment regarding Chloramines, visit our Spa Care Knowledge Base

If you still need help, here's how to reach us:

Telephone (during store hours): Shelton  203-377-0100


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