Chlorine & Bromine Care
My wife and have a 500 gallon Elite by Maax Spa. We use the spa about
once a week. I check the chemical balance about three times a week, and
make corrections (with the filter on) as needed. I shock the spa with a
non-chlorine shock, as we use bromine tablets. I change the water about
once every four months, and I have now started to clean the filter out
every two weeks or so.
Here are some questions:
putting an anti-foam agent in the spa, is it necessary for bathers to be
out of the spa?
after I have put a few squirts of the anti-foam agent in the spa, my
wife notices some bubbles collecting that look to be dirty. I notice
some hairs collecting as well. Is this caused by the anti-foaming
agent? Or is it that we notice this thing after the
foaming subsides, which is almost instantaneously? These bubbles
are concentrated near where my wife is, which I think indicates that the
lotions or other things that she has on her body are being collected and
moved to the filter.
water replacement routine would you recommend, given the usage as
The short answer is ONLY using antifoam when the spa really needs it.
Really needs it means "beer head" which typically appears only when the
water is so icky, it needs to be changed.
If the water is properly balanced (pH 7.4 - 7.6, total alkalinity 125 -
150 ppm, calcium hardness about 200 ppm), foaming should normally not
occur. Soft water (CH under 175 ppm) adds to foaming. Now, if you use
the spa with a lot of body stuff on (oils, lotions, etc) un-filterables
will build up & foaming will develop sooner. Showering before using the
spa is always a good idea.
"Dirty" bubbles are "normal" because the antifoam is breaking the
surface tension & any oils that are floating on top. I also wouldn't
(believe it or not) recommend cleaning the filter more than every 5 or 6
weeks. The "dirtier" (to a degree) a filter is the finer particle it
The antifoam is not "hazardous" to bathers.
As far as your regular maintenance schedule goes, it sounds as if you
have a good timetable. With 500 gallons, used once or twice a week, 4
months is good. As an added step, I would recommend using SpaGuard
Natural Enzyme about every 2 weeks to "eat up" un-filterables. That will
further help & prevent the foaming situation.
Follow Up Question:
We are not noticing foaming, in the sense of “beer-head” foam. This is
more like bubbling. Is this normal, or should we expect that there will
no bubbles in the spa (this question sounds almost self-explanatory, but
bear with me). I will adjust my filter cleaning regimen as per your
guidance. As for the SpaGuard Natural Enzyme product, can it be
purchased at stores here in California, or do we have to order it
Follow Up Response:
Bubbling is very normal. Foaming, like shampoo lather or beer head, is
a sign that the water is either needing to be changed or close to it due
to the build up of stuff (non-filterable waste) in the water.
As far as the Natural Enzyme goes, you'll need to look for a SpaGuard
dealer in your area or you can order it online from us. Orders normally
ship the same day & you will receive your products in about a week's
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