To preface this grow. This is my second run ever and my first run on Coco DWC using autopot system.
My first run I ran a basic amended soil with no real target for soil ph set. Just simply organic compost and about 12% castings. I ran full manufacturer's dosing recommendations on city tap with high tds to start with. I had some serious nute issues late veg early flower. I suspect the issue was compounded due to ph swing, high ec, over watering and ph rise in soil due to infrequent watering, as well as ph rise in reservoirs from poor aeration and no beneficial microbes.
That all being said I have new targets this run mainly consistenting of monitoring and targeting of PH and EC. I was at a bit of a loss in regard to the ph rise in my resevoir so with some research I have decided to try out TorusHydro perfect ph inline edition for my 25g dwc reservoir. I am running RO water made by my smallboy 150ro by Hydrologic. I have noticed some manufacturers recommend daily water changes for Coco nute solutions. I am going to attempt to do new water as infrequently as I think is acceptable as reflected by total ec in my feed water. I am using week one solution target EC of 0.5-0.7 and PH 5.5-5.7 for germinating. I added some bonus photo's of a homemade grow room I constructed.