4 x HLG100(rspec), 1 Light for each corner @ 6" should be 900 -1000
https://www.ledgrowlightsdepot.com/collections/horticultural-lighting-group-led-grow-lights-for-sale/products/horticulture-lighting-group-hlg-100-quantum-board-qb192-led-grow-light?variant=7540864057380
wat about 4 x QB132's for $135?
320w driver & ur off to the races
https://horticulturelightinggroup.com/collections/quantum-boards/products/qb132-quantum-board