Quote Originally Posted by bigsmoke07
so you think that 250watt hps would do good
More light is good as long as you keep a few things in mind:

  • If the HPS kit doesn't come with a timer you'll need a heavy duty grounded timer to stay safe (using a 2 prong timer with the remote ballast may result in a fire).
  • Measure how much space you have between the top of your enclosure and the plant canopy, is there enough space to accomodate the HPS fixture and reflector? If yes,
  • How much space does that leave you between the HPS bulb and the top of the plants? A HPS bulb too close to the plants can cause severe heat damage.
  • You'll need to figure out a way to install the remote ballast outside your grow cabinet to keep cab temperatures manageable;
  • You may need to incease your cab's ventilation after the HPS switch (proper ventilation is a good thing anyway);
  • Always use a bulb that matches your ballast - with HPS/MH you can't mix and match;
  • While a fire is very unlikely here are a few things to keep in mind to avoid one - always use the appropriate timer, always use the 250 watt bulb with the 250 watt remote ballast and beware cracked bulbs - most HPS fires are due to a cracked bulb exploding upon ignition.


Here are a few reference posts you may find useful:

http://boards.cannabis.com/indoor-li...-lighting.html

http://boards.cannabis.com/indoor-li...uch-light.html

Energy Services, Energy Solutions Database - Energy Efficiency and Renewable Energy Information

http://boards.cannabis.com/basic-gro...g-hot-air.html
Pedro de Pacas Reviewed by Pedro de Pacas on . Not my first grow but first grow log! Indoor grow cab (converted Home depot wardrobe) 4 pots, two left over KC-36 and two Dutch Passion Oasis Makeshift growlight - featuring a 125 watt CFL (rated 5000k) with an aluminum turkey pan reflector one bottom fan (and digital thermometer) blowing cool bottom air at the pots One top fan 'sucking' the warm air up average cab temperature 27 Celsius After 3 days of sprouting only one seedling (one of the KC 36's) popped out of the soil (I did presoak the seeds for 12 hours) on Aug 5th Rating: 5