Tds Ppm
Fish RO water quality?
I bought RO water for my discus aquarium from a vending machine called glacier water. Here is their website http://www.glacierwater.com/glacier_quality.html. I got a TDS reading of 9 ppm. Is the water safe if it is 9 ppm or should I go with distilled water that has a reading of 0 ppm. The company claims it is 97% pure and it is filtered with 5 different type of filter. It went through actviated carbon, micron filter, RO, post carbon filter, and UV.
Thank You
Tap water TDS ranges any where from 5 to 800ppm depending on your areas water source.
Typical Ro Water should NOT be 1-0. The best RO membrane in the world costing thousands of dollars is only 98-99% effective. So even that one would have a reading of 4 TDS using Rohns 200 tds number.
The Ro filter takes out most of the TDS it is Deionization process that takes out the rest, and would take the water down to 0 TDS. Hence the term, RODI water.
9 tds is very good and not a problem at all. A reading of 9 tds is about what RO water should be.
I would use whatever is more convenient for you to use the RO or distilled water. That RO water will be just as good as distilled from a machine or a bottle maybe better depending on your distilled source.
Here is a link to an inexpensive very dependable home RODI, that most reefers use. So you can stop hauling water.
http://www.airwaterice.com/product/1MMDI/Mighty_Mite_50GPD_with_DI_Added.html
Back to Grow Basics PPM-TDS-PH What……
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