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Smelly Water
Possible Cause
Solution
Preventative Maintenance
Excessive organic contaminants
Add one ONEshock packet for
every 250 US gallons.
Use ONEshock on a regular basis
to oxidize organic compounds.
Skin/Eye Irritation
Possible Cause
Solution
Preventative Maintenance
Excessive chloramines or organic
contaminants
Superchlorinate water. Add one
ONEshock for every 150 US
gallons.
Use ONEshock on a regular
basis.
Excessive chlorine level
Dilute. Add more water to
the spa.
Do not add more ONEshock
than is necessary.
Water is out of balance
Test water and adjust as neces-
sary using Alkalinity Increase,
pH Up, and/or pH Down.
Maintain pH of 7.5 ± 0.3 and a
total alkalinity of 80-120 ppm.
Dirty or worn-out filter
Soak filter in bucket of water
and FILTERcleanser. Replace if
necessary.
Clean the filter(s) at least once a
month. Replace filter(s) every six
months.
Stain or Scale on Acrylic
Possible Cause
Solution
Preventative Maintenance
Well water, high mineral content Drain spa and spray Shell &
Liner Cleaner generously on
acrylic.
Use HOSEfilter attachment
when filling the spa.
Frequent pH Fluctuation
Possible Cause
Solution
Preventative Maintenance
Total alkalinity is outside of
range (80-120 ppm)
Test water and adjust as neces-
saryusing Alkalinity Increase, pH
Up, and/or pH Down.
Maintain a total alkalinity of 80-
120 ppm.
Brown Water
Possible Cause
Solution
Preventative Maintenance
Excessive mineral content
Add sequestering agent.
Use HOSEfilter attachment
when filling the spa.
