BA-EN-HydroStar V3.1 page 25
Recommended water properties:
pH value: 6.8 – 7.8
chloramine: ≤ 0.5 mg/litre (preferably around 0.0 mg/litre)
free chlorine: 0.3 – 2.0 mg/l ( 3000 – 20000 ppm)
cyanuric acid: ≤ 100 mg/litre
salt concentration: ≤ 0.4% ( 4000 ppm) ( 4 g/litre)
Metals: ≈ 0 mg/litre
carbonate hardness: ≥ 2°dH (°dH = mmol/litre x 2.8);(°eH =mmol/litre x 3.5);(°fH =
mmol/litre x 5.0)
ozone: 0 mg/litre
∑chlorite + chlorate: ≤ 30 mg/litre
Redox potential: ≥ 700 mV
• Ideally, the pool water should be treated in accordance with DIN (19643 – 1) and/or
German Federal Environmental Agency guidelines (hygienic requirements for
swimming pools)!
• Please note that a sufficient quantity of fresh water must be fed into the pool in order
to prevent excessive salinity. This is best achieved by sufficient filter backwashing at
regular intervals.
• Your swimming pool dealer will be glad to assist you with questions regarding water
treatment and care.
• We use only premium quality materials that are optimally suited for swimming pool
applications under the aforementioned conditions. However, in the event that one or
more of the aforementioned parameters are not adhered to over an extended time
period, or insufficient quantities of fresh water/no fresh water are/is fed into the pool,
we will not accept liability for any damage incurred.
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