PowerSun E-Ballast Dimmable Fan-Cooled 1000W HPS / MH 120 / 240V measure Re-Entry Interval if used indoors:

Re-Entry Interval if used indoors: 12 hours - Pre-Harvest Interval: 0 days

Your plants need a steady supply of calcium and magnesium to ensure vigorous

Can be mounted wherever needed

Create your own flexible irrigation kits easily and cheaply with any ½ inch I

Simply dip the testing zone of the litmus strip in a sample of water or nutrient solution

PowerSun E-Ballast Dimmable Fan-Cooled 1000W HPS / MH 120 / 240V measure Re-Entry Interval if used indoors:Extremely high frequency, works perfectly with standard and double ended lamps Runs 15% cooler ''Soft start'' program to allow multiple ballasts to start at the same time 120 240V 50 Hz to 60 Hz Works with both MH and HPS lamps External breaker system protects against power surges Comes with an 8 ft power cord of 120 V only * 1 year warranty ** Socket non included