[Andrew4444]

Is there a DI calculator to work out the cost of producing 1 ltr of  pure water using DI only?

  Something like:

TDS In

Litres used per week / month

Resin used per month etc

Giving cost of purifying  1 ltr


I ask as my RO tds readings are going up but I have reduced my work load over last 2 years and now work just 10 hours a week using about 600 lirs of pure.  I will be stopping in 3 years

I'm not sure if its worth buying a new RO or just keeping the old one and as TDS goes up just use more resin?

Any calculators about??

[michael mckeary]

Usually folk just know how much a 25kg bag will last. With our TDS not stable then even if you worked it out you would find it changes by the season or the reservoir is running low.

[Perfect Windows]

Google: DI resin calculator

You'll find several. Put your numbers into all of them and you'll get a rough guide if you average the results

Vin