Flora Hydroponics 400 Watt MH Radiant 6AC Economy Grow Light System & PH Control Kit Bundle Pack Bundle Pack includes Grow Light Sytem and Flora Hydroponic's exclsive PH Control kit Flora Hydroponics exclusive test kit contains 8oz of pH Up & pH Down, Indicator Test Kit and Pipette OUR PH KITS ARE EXCLUSIVE TO FLORA HYDROPONICS, A BRAND YOU CAN RELY ON. DON'T ACCEPT IMITATIONS Super sized air-cooled lensed units based on the popular high performance Radiant Reflector Cool running patented double-wall design allows placement of light closer to plant