another downside is the waste water generated is toxic...
Originally Posted by snowkitty
* For the purposes of gardening, we’re only concerned with the removal of excessive nutrient levels, and most RO systems focus on the removal of pathogens that aren’t an issue in gardening. So you might be paying for a lot more than you need when you could use a whole-house filter to target Ca/Mg hard water removal.
for those 2 reasons I now just use a 2 stage filter to clear up my well water - for the garden that is - still use RO for drinking water...