Quick Answer: For growing cannabis, reverse osmosis (RO) water is simply the best. Why? It’s got almost no TDS, giving growers total control over nutrient levels. Start with RO water, ideally under 50 ppm TDS, and you won’t have minerals messing things up. This clear start lets you precisely manage your nutrient solutions’ EC-TDS, usually kept between 600-1400 ppm, depending on how far along your plants are.
RO systems are now essential for growing cannabis.
How to Check Your Tap Water Quality?
How RO Water Helps Cannabis Grow?
RO water, you know exactly what’s in your water, which is practically nothing. This means you, the grower, are always completely in charge of your nutrient mix.
The Bottom Line: RO for Cannabis
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