February 09, 2020
Volumetric Water Content in Hydroponics
VWC. What is it and why is it important? VWC stands for volumetric water content. Why is this important and what's the challenge with it? Well, typically speaking, we've had our black box. Yes, I keep referring to the black box. That's a substrate. We always want to know what's going on with the water content in the substrate.
Through the buildup and breakdown of our water content, the rise and lower of it, which is also considered your dry backs, this could send your plant in vegetative or generative cues. In every phase of growth we want to measure those dry backs and what our top water content is to steer the plant properly. If you have really large dry backs in the beginning phases of growth, you could stress the plant out and prevent it from really getting that vertical growth that you're looking for.
Vice versa, if you have too high of water content in later stages of growth, you might get a really airy bud. So our goal as growers is always to manage these phases and these dry backs that we have. Through the AROYA platform, we could record in every single phase what those dry backs were. Look back at the historical data, see what we liked out of it, and how we're going to be able to drive this forward. So with each strain, there's actually a different desired dry back. So generative strains like OG Kush or Gelato or anything that's really compact buds, we tend to want to have smaller dry backs pushing them to really explode. Other plants like Jack Herrera or Sour Diesel, we tend to want to have bigger dry backs sending a more generative. So through this historical data, we could look back at and drive forward this innovation of knowing where the dry backs need to be. So that correlates to the higher yield, better quality flower.
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