3. Reverse Osmosis and water purification Archives - Page 2 of 3 - Tec-Safe

Is there waste water in RO?

Yes – it is simply water that has not made it through the membrane, not dirty water. It can be mitigated for by recycling back into your plumbing.

Why do I need a tank with my RO unit?

It helps keep the quality of purified water to a satisfactory level for your autoclave over extended periods (1 yr+) It helps prolong the life of your final stage Di cartridges.

How do I know when it’s time to change the blue Di cartridge on my EauFlow hard water model?

When the TDS reading on your inline meter is the same as the TDS reading on your RO unit.

How do I know when it’s time to change the 5 cartridges in my EauFlow RO unit?

Either: Cartridge lights 1,2,3 & 5 are flashing on the display OR Light 4 is flashing and your TDS reading is above 10

How do I calculate how much purified water I use at the beginning of the day (and hence what RO tank size I need)?

Simply add together: 1.Dental chairs: how many in your practice (assume 1L bottle)= ? PLUS 2. Autoclaves: how many units do you have in total (assume average 3L water reservoir)= ? This total volume (litres) will tell you how much water you need at the beginning of...

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