using RO water with DWC system - just placed germed seedlings into the netpots.
RO water here is a little too acidic so I added 5 mL soluble silicate to 5 gallons of water to buffer the pH.
is the silicate OK to use with the seedlings?
Made a DWC system out of a small rubbermaid tub that incorporates 3 inch net pots. This DWC system will be seedlings home for only the first 3 weeks of veg growth then plants will be moved.
the reason it's not light tight is because light leaks through the spaces in between pieces of...