All calculatorsCalculator · Chemicals

How much product do you need?

Pick the problem, enter the volume and your reading. We'll tell you how much to add and how to do it without overdosing.

What do you want to fix?
m³

Don't know it? Work it out here.

ppm
ppm

Typical: 1–3 ppm (more if there is cyanuric acid).

ppm

The more cyanuric acid, the more chlorine you need for it to work.

Approximate dose

Enter the volume and current reading to see the dose.

Reference doses for standard products. Always read your product's label and never mix chemicals.

Numbers don't add up?

We run a full water analysis with a photometer and microscope and tell you exactly what's needed.