DWC system with 8 x 600W lights?

hi all,

I am wondering how many pots/buckets I should put on my system on the basis it can be used for 8 x 600W lights?

https://www.rollitup.org/grow-room-design-setup/485262-bile-phone-cell-phone-controlled.html#post6597912

I am trying to avoid using 100s of litres of water so I was kind of hoping 30 x 21 litre pots/buckets (they will only have about 12 litres in each)

I will need to be able to flush and re-fill from scratch by command so say 30 pots/buckets x 12 litre = 360 litres + 100 that it will use as a top up = 460 litres...I have a 455 litre tank in mind so it will be spot on providing 30 plants on a DWC under 8 x 600s is enough?

Me mate has 20 under 4 x 600's and he reckons he could get the same yield off 12 under those same 4 x 600's due to the way the aerated, recirculation DWC systems make the plants go wild

Thanks
 
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