The Cool Tube Digital system comes complete with a 19 inch Cool Tube reflector, Phantom dimmable digital ballast and a standard HPS bulb. The 250W and 400W Phantom ballast are not dimmable. Only the 600W and 1000W models are dimmable. Brought to you by exclusively by Flora Hydroponics! Flora Hydroponics exclusive new control kit is included in the bundle pack. Our kit contains pH Up (add a little at a time when your nutrient pH is too low in order to raise the pH to the desired level), pH Down (uses food grade Phosphoric acid to lower the pH to the desired level), and pH Test Indicator (fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution). Pipette also included for easy transfer of all liquids. Make sure to clean the pipette between uses. This is another great product available exclusively from Flora Hydroponics.
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