are air stones even necessary?

ttystikk said:

You can use the 'waste' for the lawn or for soil grown plants. I agree with you about treating water use with respect.

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true dat and i did. but in about a month, i'll be watering an ice rink, not the lawn. i'm a bit higher than you flatlanders up in FoCo. lol

rkymtnman said:

true dat and i did. but in about a month, i'll be watering an ice rink, not the lawn. i'm a bit higher than you flatlanders up in FoCo. lol

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Yeah, color me jelly!

rkymtnman said:

i had one. we're on a well and the amount of wastewater was unacceptable. water is a precious commodity in Colorado and it's just easier to buy it at a store for 37 cents a gallon

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I have sold/and used RO systems for over 2 decades. Ancient models were not very efficient (~ 1:4, but that is based on low water pressure). New versions are very efficient (more efficient membranes), especially when using a booster pump.

Importantly, what is the EC of your raw water... and the reject water?

Keep in mind, the reject water can be used to water garden plants, lawn...

Unless you shut off off the bath and dish water after wetting, you will likely waste far more water doing these basic daily uses than when making 10 gallons of RO

finally, if your store bought RO is from local sources...

ttystikk said:

I find this unlikely. If they're dropping out of solution, then those nutes are by definition no longer water soluble and won't be absorbed by the roots in a DWC situation.

Such non soluble nutrients get absorbed by plants in soil because of the action of soil microbial and fungal life, life which does NOT exist in any meaningful quantity in DWC.

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I think the problem is I am using Humic instead of Fulvic in hydro. It works fine, but...

PetFlora said:

I think the problem is I am using Humic instead of Fulvic in hydro. It works fine, but...

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I tried them but they would eventually settle out in RDWC.

PetFlora said:

Keep in mind, the reject water can be used to water garden plants, lawn...

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not true in Colorado. most residential homes with wells are permitted for household use ONLY. not watering lawns, not washing cars, etc. not enforced often but if you have a dickhead neighbor with a camera it can be enforced.

rkymtnman said:

not true in Colorado. most residential homes with wells are permitted for household use ONLY. not watering lawns, not washing cars, etc. not enforced often but if you have a dickhead neighbor with a camera it can be enforced.

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Pump it into a rain barrel, then water the lawn lol

If on a well, I would incorporate UV to sterilize the water throughout the home