Dosing on the real volume · pallet delivery · commissioning sheet
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How many times the water goes through the filter

The volume divided by the pump flow: that is how long one full turnover takes.

  • Cleaning the filterWhen the pressure gauge climbs 0.3–0.5 bar above the start-up value, the filter needs cleaning.
  • How long the pump stays onIn summer, in a pool used daily, the water has to go through the filter several times. In winter, far less.
  • What clogs firstThe skimmer basket and the pump pre-filter. Check them before you blame the filter.

The figures are for a pump running non-stop. If you switch it off at night, divide the turnovers by the hours it actually runs.

Questions before the season

What people ask us most often, on the phone.

Why is the water green even though I added chlorine?
Usually because the pH is outside the range and the chlorine no longer works. Measure the pH first, correct it, then treat.
Which pump do I need?
You start from the volume of the pool and from how many times you want the water to pass through the filter in a day. Send us the volume and we will tell you the flow rate.
Can I leave the water in the pool over winter?
Yes, with the level lowered below the skimmer, the system drained and the wintering product added. Emptying it completely lets the liner crack in the frost.
Are strip testers any good?
For a quick check, yes. For adjustments use a reagent tester: strips are read differently by different people.

Cannot find your question? Write to us, we answer the same working day.