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Laundry detergent residual in
swimwear
Prevent by running an extra rinse
cycle on washing machine or re-
rinse well by hand
Excess organic contaminants
Some organic matter is prone to
causing foamy water as it breaks
down in the filter (maple leaves
especially). Generally using
defoamer* to break up the
contaminants, then a clarifier*
To help filter them away followed
by thoroughly cleaning your filter
will clear up the problem. It may
however be necessary to drain
and refill your spa if the foaming is
quite excessive.
Low Calcium Hardness
Test calcium hardness and if
necessary increase with calcium
chloride*
Corrosion/Etching
Presence of metals in water (iron,
copper, etc)
Test total alkalinity levels and if
necessary increase with sodium
bicarbonate*
Discoloured Water
(Clear v. turbid water)
Presence of metals in water (iron,
copper, etc)
Treat with chelating* or
sequestering agent*
Unstable pH
Low Total Alkalinity levels
Test total alkalinity levels and if
necessary increase with sodium
bicarbonate*
pH resistant to changing
High Total Alkalinity levels
Test total alkalinity levels and if
necessary decrease with sodium
bisulfate* or muriatic acid*
* Contact your local Hydropool
retailer for specific product
recommendation
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