What is the BEST WATER for GROWING CANNABIS?



What’s the best water source for growing your cannabis? Most people will just turn on their taps and use their household water, …

21 Comments

  1. Good info thanks! I've been using our tap water, but only after it's been sitting in an uncapped gallon jug for 24-48 hrs (heard that kills of any toxins). I'm in the middle of my 3rd grow now, and no issues, plants look healthy and always have. I always adjust the ph to <6.5 but that's it, as I don't have the other meters you mention. My question is, can the ppm be adjusted like ph, and if so how? I appreciate any info you can provide. Thank you! Going to shop for the other meters now.

  2. How about zero water from a car washing resin filtration filtration system, like a spotless water system unit. It comes out at 0 ppm TDS, PH around 7 easily adjusted and 0 EC. I switched to this a while back and no issues so far. I have high alkaline water in my well like at 180, this reduces to zero and PH is at 8. Controlling PH was reduced to 1/3. Anybody got anything on this ?

  3. I was going to use distilled but what i can purchase in my area is always 8.0 or a bit higher on the PH, which honestly confused me as i thought it would be really low instead of really high. Due to that i use a regionally sourced spring water purchased at my local grocery store because it is always around 6.0-6.2 PH.

  4. You are 100% wrong about bacteria helping your plants grow. I'm a worm farmer and I'm telling you right now that's all I use is live bacteria to grow my plants. I have a symbiosis in my dirt between fungi bacteria and microorganisms. All I do is water my plants I have way higher THC levels than way higher cannabinoid levels than you would ever get with store-bought nutrients. I use tap water but I test it for pH and I let it set out two to three days before I even use it. If I can give anyone that's trying to start growing advice it is to talk to your local worm farmer. He will set you up with an organic way of growing if he knows anything about it.

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