Operating instructions
Swim Spa Operator’s Guide
SWIM SPA WATER MAINTENANCE
Do not leave your water treatment products outside. If subjected to extreme heat or cold, their effectiveness can be 
impaired. 
KEEP ALL CHEMICALS OUT OF THE REACH OF CHILDREN!
WARNING!
Cloudy 
Water/Haze
Total alkalinity in high range. Add alkalinity decreaser (acid). 
Target 100.
pH too high or too low. Sprinkle or pour pH adjuster. 
Too little sanitizer in water. Test and adjust pH & sanitizer to range.
Fine particles won’t lter out. Add  occulant  to  skimmer,  run  pump,  then  remove  & 
clean lters.
Circulation Restricted
Pump sucking air.
Check skimmer basket; clean. Make sure intakes are 
open.
Filter dirty. Hose off lter: check for tears, ber breakdown, clogging 
or collapse: replace.
Filter cycle too short. Run  lter  system  24  hours  &  reclean  and/or  run  main 
pump longer each day.
Total dissolved solids have reached chemical 
saturation point.
Test TDS at dealer. Drain and rell swim spa.
White chips scaling off heater: 
Calcium level too high.
Drain and inch of water off, add fresh water. Test and 
adjust calcium to range. Add sequestering agent.
Foam
Air leaking into lter system. Find and x leaks; use a pro if necessary. Raise water 
level above the skimmer opening.
Detergent in water via soap in swimming suit, 
or on bathers’ body and hair.
Advise swim spa users to rinse soap off more thoroughly 
in the shower before getting into swim spa. Double rinse 
bathing  suits.  May  be  less  effort  to  drain  and  rell  the 
swim spa.
Too little hardness in water. Add calcium to correct level.
Too much sanitizer in water.
Too much algaecide in water.
Remove some water and add new. Retest. Empty out 
some water and add fresh.
If foam is still present. Squirt defoamer over the water surface.
Discolored
Water
Green water due to copper getting into water: 
or MPS (monopersulfate compound) getting 
into biguanides
Add sequestering or chelating agent. If MPS and bigu-
anides mix, do a major ush.
Too much bromine. Leave off cover so bromine dissipates more quickly.
Staining
Possible algae: yellow-green. pink, brown, or 
black.
Treat with algaecide. Worse cases, tetrborates.
Minerals such as copper or iron making green 
or brown stains
Add sequestering or chelating agent.
Odor
Bromamines or chloramines from non-oxi-
dized organic mater.
Shock with non-chlorine oxidizer such as potassium per-
oxymonosulfate.
Moldy dirty cover either inside or out. Clean cover both inside and out with diluted bleach.
Problem Possible Cause Action
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