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GorGlue

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GorGlue
Great article! I hate to be 'that guy' but I would like to point a couple of things here. As for the medium, I would suggest the opposite to what you listed -- rockwool. Personally, I have never used a jiffy pellet in hydroponics. When plants are seedlings to initial stages during germination, they don’t need any nutrients what-so-ever. Literally bottled spring water will suffice promoting germination, growth, and root growth well before any harm can be done – deficiencies or burns. Once the plant has sprouted and developed roots, the plant can be transferred to their final destination in the hydroponics system. If you have issues with using mineral wool/rockwool as a medium, that to me indicates improper height levels. If the bottom base of the rockwool is too close to the surface of the water, then anything you put in there will experience issues, especially trunk rot. I will provide some detail later. The PH level section. In hydroponics the PH levels really depend on the strain. I feel this bit of information is a great warning to new growers, so they have PH levels in mind moving forward. For example, when I grow Gorilla Glue, the optimal PH range in veg is between 5.4 - 5.8; and for flower in the range of 5.6 - 6.2. Which falls within what you advertised. However, when I grow GDP I have experienced very low PH range necessities for optimal growing conditions. During veg the range is between 5.0 - 5.4. During flower the range is between 5.3 - 5.8. Something to reflect on. Another thing to add is the root rot section. Yes, more oxygen is a necessity and I would definitely stress about the overall importance of supplying proper oxygen levels to the roots of each individual plant. In addition, root rot could also be derived from diseases. Using a substrate such as hydroguard (I feel is a necessity) can eliminate the diseases from the roots as well as water which consequently allows the roots to be rejuvenated. I have seen dire situations turn around with a full recovered. On the topic of rot, if the placement of your plant is too submerged or too close to the water surface, you can expect trunk rot at the base. Maintaining a proper distance from the base of the trunk to the surface of the water is a necessity to maintain a perpetual healthy growth. Again, not trying to be that guy. I am only pointing out details I have personally experienced that may help current and future growers. To iterate, I did enjoy the article and my purpose is to supply information to growers of all kind.