2017 Portable Spa
LTR20171001, Rev. C
Operating Your Spa
www.calspas.com
38
Bromine Generator
The bromine generator automatically generates and
releases free bromine into the spa water. You will still
need to test for bromine and occasionally adjust it to
return the bromine level to the baseline.
Start-up/Operating Instructions
Be certain that you start with a clean spa. It should
be free of contaminants and other residues that can
accumulate on the sides and/or around the jets. It
is also important to only use spa cleaning products
that have no phosphates or phosphonic acids since
phosphates will deplete free bromine and are super-
food for algae. Always start your spa with a clean
lter before lling with water.
If the water source is “well water” or a non-municipal
water source, have your water tested for Total Dissolved
Solids (TDS) and metals. Water with high TDS is likely
to have higher metal content and will need a metal
remover to decrease the metals and ensure a successful
start. This test can be done by your local spa dealer. The
ideal range for your start-up TDS is between 50 and
200 ppm - mg/L. If TDS from your source water is above
500 ppm, a metal remover is strongly recommended.
DO NOT FILL THE SPA WITH SOFT WATER.
1. Using your PURE FILL Spa Pre-Filter, ll your
spa with water to the recommended level (six
inches below the lip of the spa) and DO NOT FILL
WITH WATER FROM A “RESIDENTIAL WATER
SOFTENER.”
2. Before starting the system, balance your water
chemistry to ensure a successful start up. Ideal
ranges are as follows:
Ideal Range
Minimum Maximum
pH 7.2 7.6
Total alkalinity 80 ppm 120 ppm
Calcium hardness 150 ppm 250 ppm
Phosphates 0 ppb 30 ppb
Use the phosphate test kit included with your system.
Bromide residuals will be signicantly reduced if
phosphate levels are high. If phosphates are detected,
purchase a phosphate remover and follow the
directions accordingly. Any phosphates in your spa
will reduce bromine levels.
3. Determine the level of “NaBr” (Sodium Bromide)
required for your spa size. NaBr should be added at
a rate of 1.2 lbs per 100 gallons or approximately
1300-1500 ppm.
Example: For a 500 gallon spa add
approximately 6 lbs of NaBr. 1.2 lbs x (5) 500
gallons = 6lbs NaBr.
4. Turn the jets on high speed. Sprinkle the NaBr
across the surface of the water to evenly distribute
the NaBr in the spa and circulate for 30 minutes.
5. Test the Sodium Bromide concentration with the
Tru-Blu NaBr test kit. The correct amount of NaBr
will secure a reading of between 1300-1500 ppm.
6. Adjust the ltration time to circulate for 8 hours
every 24 hours on a 2 speed pump.
7. For a spa between 300-500 gallons, start at a
power level of “6” and then press the “boost”
feature. This will accelerate the production of
bromine for 8 hours. Wait for proper bromine
levels before entering the spa.
8. Always keep your bromine level between 3-5ppm.
Test the bromine level after 24 hours and adjust the
power setting accordingly. An occasional heavier
bather load may require the “boost” feature.
Always keep your spa or hot tub water in balance.
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