If you love to tinker? Hydro is the way to go. You can tinker and adjust, and experiment, and change, and monitor, and mix up methods it can be a lot of fun, as long as they are yielding decent at least.
The good grows were under hps and not incandescent i assume, if the LEDs are not growing good plants, then the fertilizing or the change of medium and system will not help that much. Light is the primary source of energy for the plants. under LED plants needs much less ferts like 1/2 the dose.
Your PH not going down further sounds as if your meter is not reading lower measurements. try calibrating it
I love DWC,,,THG and Andy42 got me hooked back in 2008.
I tried to keep my solution as close to 75 as i could,,,and that wasnt easy in Flofida. Lol
As for THG giving up on hydro,,,thats the 1st ive heard that. The cooler the temps the whiter the roots is what i seen in my DWC grows. Also light leaks into your rez can kick roots ***.
Sopappy if you were giving full strength under LED then you were probably burning them.it will require more innovation to convince me to go the LED route, good luck
70 is a great temp to maintain,,but almost impossible in florida without a chiller. My frozen water bottles did pretty good,,but a chiller would have been awesome. Now ive hreard that flood and drain solution temps can be higher,,but i dont know myself personally, ,cause i never used anything but DWC or Dirt.
I have an idea that i would like to try and that is using a regular old fridge, drill a hole in its outer body insert a hose in it place it like a coil inside then it goes back to the res, use a pump to circulate the solution, if it gets too cold, it could be put on timer. a fridge in a growroom is very useful for bud storage as well. My main concern would be to not overload the fridge capacity, as the best way to break a fridge is to leave it open, I would offset that by filling the whole space with water bottles and never opening it, and good insulation for the res and hoses. Automation is key for me to succeed, if I had to change frozen bottles every day, I can guarantee that I will fail to do that. That is why I used to change systems from DWC to flood and drain depending on season. I guess that if I could efficiently cool the res in hot weather, I would not have to switch. Is it a crazy idea?
I have an idea that i would like to try and that is using a regular old fridge, drill a hole in its outer body insert a hose in it place it like a coil inside then it goes back to the res, use a pump to circulate the solution, if it gets too cold, it could be put on timer. a fridge in a growroom is very useful for bud storage as well. My main concern would be to not overload the fridge capacity, as the best way to break a fridge is to leave it open, I would offset that by filling the whole space with water bottles and never opening it, and good insulation for the res and hoses. Automation is key for me to succeed, if I had to change frozen bottles every day, I can guarantee that I will fail to do that. That is why I used to change systems from DWC to flood and drain depending on season. I guess that if I could efficiently cool the res in hot weather, I would not have to switch. Is it a crazy idea?
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