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Reverse osmosis
BobGoosestarted grow question 2 years ago
Does anyone recommend a Reverse Osmosis filter?
What are the advantages and disadvantages?
Currently my tap water is 0.8/0.9 EC so not sure what I'm feeding my plants
Any advice is greatly appreciated
Thanks
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Feeding. Other
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BraveheartGeneticsanswered grow question 2 years ago
That is quite a high EC for tap water so can see your troubles. Hopefully it is just an excess of calcium in the water but you never know. I would try any 5 stage on amazon you can find... Usually they give a gallons/day rating or litre/hour rating and you choose what you need by how much water you use. Sometimes the small units used for fridges are good enough for a small grow. Bare in mind if using RO water you will have to add back CalMag for your plants but at least you know thats all thats in it. I hope this helps, good luck
Hashyanswered grow question 2 years ago
As @braverheartgenetics, and @papa_t, said. With that high a Ec straight from the tap it's probably the best option. Make sure your nutes are for soft water and not hard water when you use Ro water.
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Papa_Tanswered grow question 2 years ago
Don’t try to PH straight RO or test your RO water with a digital pen.
The pen will aimlessly drift and not give you a reading as there aren’t enough particles in the water for the pen to electrify and get a reading.
If you’ve tested straight RO with your digital PH meter please do re calibrate your PH digital meter.
Cheers 🤙
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