600 Watt HPS Daystar 6AC Economy Grow Light System and 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 High performance coupled with maximum air cooling potential Improves the ability to control growing area temperatures