PowerSun E-Ballast Dimmable Fan-Cooled 1000W HPS / MH 120 / 240V measure you need to monitor your

you need to monitor your pH daily

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

which increases gas exchange and allows plants to absorb spray solutions

Over fertilization has a negative effect on the nutrient mix and plant quality

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

PowerSun E-Ballast Dimmable Fan-Cooled 1000W HPS / MH 120 / 240V measure you need to monitor yourExtremely 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