I am actually starting a new hempy run after doing soil for awhile. I always liked these passive DTW setups .
I keep things very simple.
I use either a 3:1 perlite / vermiculite mix or straight perlite. I always prep buckets before use - i run a hydrogen peroxide/ water mix thru initially to flush the perlite dust and sterilize .
After draining buckets i stage them with collection pans and risers. Seeds are germed in rooter plugs over rockwool ( hate it ). Seeds are in a mild water peroxide soak to sterilize and oxygenate.
Helps with older seed stock too. I also presoak rooter plugs in Clonex liquid ( gold ) .
Once rooted they go into bucket. I do a simple feed of clonex gold liquid to start seedling growth then move to powder nute mix later. I used to use Dynagro / foliar pro but hate the fact it isnt very shelf stable and will separate over time.
Now i run GH MAXIBLOOM / Grow powder. Always got good results. Only other amendments during grow is Kelp and Hydroguard . Sometimes i would run Hydroplex to push flowers. Ph 5.8 -6.0. and thats it.
Here is the basic setup. Lighting is 420watt total.
QB 96s on meanwell 320w ( dimmer ) and a solo SF 1000 V2 ( dimmer ) as a supplement. I am also running 2 Agromax bulbs in a T5HO Sunblaster lamp - Pure Uv and 10000k finisher. For mid stage flower / late to push triches.
That SF was one i did a review on last year. Kind of liking the damn thing.
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Lighting :
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