Just as an example, liquid nitrogen tanks at minus 300 are wrapped with a reflective sheet in a vacuum insulated annular space. The wrap is intended to reflect radiant energy of the nitrogen back into itself.
50 W Watt High Power LED Driver AC90V-265V 50-60HZ Waterproof
Item price$12.99
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Quantity1
Item number311054139120
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That's what i bought for my 3070 3000k, from ebay
Those drivers seem under powered, only 9v?
http://www.powergatellc.com/mean-well-lpc-60-power-supply.html?gclid=Cj0KEQjwq52iBRDEvrC12Jnz6coBEiQA2otXAnTvjnfgMGkCXiHYoR5gxo7seOPlu8C3RS_zybOnJ80aAlXN8P8HAQ#right
80L is about 20 gallons, so if you divide into 6 compartments, you have 3 gals per compartment. I might consider splitting into 4 compartments, for about 5 gals per plant