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VISIT BUY NOW! Note This is not a equally weighted test, the suggested usage ratio is 3 – 420Watt Pro420PAR Inda-Gro lights to replace 2 – 1000Watt MH and HPS lights, or one Pro420PAR replaces a 600Watt MH/HPS. This competition shows just how effective the new Pro 420 PAR is in a sealed room environment. Side by side competition between a 1000 Watt MH for Veg and then 1000Watt HPS for Flowering, against a lone 420 watt full spectrum light by Inda-Gro for both Veg and Fl