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UK420 > Cultivation > Hydroponics > Hydroponic Q+A
Citizen
Hello All,

I am wondering what the best water source for hydro might be?

I live in a hard water area but have limited access to demineralized water at .80p/gallon. I was also considering some sort of carbon or reverse osmosis unit.

Is any of this neccesary, or should I save the money and use tap with a HW nute formula?

I suppose filtration might remove some beneficial micro elements?

Thanks for any thoughts on this subject

cool.gif
VRG
Hi Mate,

QUOTE
I live in a hard water area but have limited access to demineralized water at .80p/gallon. I was also considering some sort of carbon or reverse osmosis unit.

Is any of this neccesary, or should I save the money and use tap with a HW nute formula?


If it's not too bad, you should be alright with hard water nutes.
Have you had a water test done?? tested the EC/PH yourself??

R.O is definatly the way to go if you have the cash! smile.gif

VRG
Citizen
Yeah, the EC is .4

Just wondering if it would be beneficial to use purified water. wink.gif

Isn't there alot of water wastage with RO?

Is there a noticable difference in the crop when using RO?

Thanks
VRG
QUOTE
Yeah, the EC is .4


that's not too bad mate. wink.gif

QUOTE
Just wondering if it would be beneficial to use purified water.


Definatly beneficial! wink.gif

QUOTE
Isn't there alot of water wastage with RO?


Yes mate, you just have one pipe going into your reservoir, and one running down a drain.

QUOTE
Is there a noticable difference in the crop when using RO?


That's down to how bad your water really is. You could have a background EC of 0.4, and be fine, it's more to do with what makes up that 0.4.
A quick example, you only need 60mg of magnesium in veg full stop. You could have 58mg's in your water fresh from the tap. So as soon as you add your grow solution, your magnesium content will rocket, this will obviuosly cause you problems.

I have a freind who uses R.O, his tap water had a background EC that ranged between 0.4-0.6. He tells me his plants look much healthier, and I beleive he is getting better results, well he's pleased with his purchase anyway!

Have you done a grow with this water before? Or are you just planning ahead?

You will get better results with R.O, simply because your starting with a blank canvas, i'e no nasties already in the water.

VRG
Citizen
Thanks VRG!

I havn't noticed any problems with my water when growing in soil but am wanting to move into Hydro, just wondering how I can get the best out of what I am doing. unsure.gif

ukscroger
ive heard that rainwater mixed with hard tap water can make the best hydro solution. or so nutriculture say anyway. dunno how good as i cant collect(sorry, havent been bothered) rainwater. but my hardwater 0.8ec seems ok
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