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Hey Rob, I kinda touched upon that in the other foto you commented on...Don't mind doing so again...
The boards were made by a local company, and happen to have that rhomboid/grid pattern on them. Just regular 'ol extruded polystyrene, only without any of the brominated flame retardants...
I painted the tops white using a 100% acrylic based exterior paint (often called exterior "latex" paint in the US...weird cuz it does not, nor has it ever actually contained any latex in it). The DWC trough liner (not really in the picture) is Duraskrim though...
The boards come pink...or yellow...or blue...or whatever color you want. I painted them because I noticed that whether made by DOW, Austro-Therm, local, or whatever...no extruded polystyrene seemed to last long in the UV rays of the GH if un-protected (painted).
Vlad, does the board come with the white skrim like that? or did you paint that on?
Thanks Bart. We're still in the cycling process with the 'big' system.
Yeah, I plant directly into the 2" net cups. I pre-soak the hydroton first for a bit to keep small seeds from falling through.
The rafts are made from the same stuff as the Dow blueboard (extruded polystyrene), only they were made by a local company here.
Great looking crop and system Vlad - inspiring for a newbie such as myself
Do you plant directly into the hydroton in the 2" net pots?
Also, what kind of board are the rafts made from - not the blue stuff from Dow?
Thanks Sahib :) Yeah, the colours of the roots are pretty cool, the yellow ones too.
The color of the Swiss Chard roots is really awesome :-)
I love showing them to visitors who just cannot believe it.
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