How far should a 400W HPS be from seedlings?
For 400W HPS, the best distance from seedlings is between 12 inches or 30.48 cm (closest) and 19 inches or 48.26 cm (furthest). What is this? 400W HPS grow lights are the most commonly used HPS grow bulbs. These lights can cover around 16 square feet and produce high yields.
How many plants can a 400-watt HPS grow?
Yield Lab 400W HPS+MH Air Cool Hood Reflector Grow Light Kit (Price: $189.95) — A 400w HPS light provides 55,000 lumens, while a 400w MH light generates 36,000 lumens. This light intensity is enough to provide coverage for 1 to 2 plants.
How much can a 400-watt HPS yield?
400 watts of an HPS grow light could lead to 400 grams (14 ounces) of weed at the end of the day. 1200 watts would lead to 1.2 kilos (42 ounces) of marijuana, etc.
How many square feet does a 400-watt HPS cover?
400-Watt HPS grow lights are the most commonly used HPS grow bulb, covering around 16 square feet and capable of producing high yields.
How much electricity does a 400 watt HPS light use?
A 400 watt bulb really consumes more like 440 watts of total power including power supply losses, so it will use: (440 watts) x (1 KW/1000 W) x ($0.10/KWH) x (12 hours) = $0.528 a day or $192.72 a year.
How many plants can a 600W HPS grow?
Sixteen plants that are grown under a 600-watt HPS lamp could produce about 37.5 grams or 1.3 oz of marijuana per plant. Under perfect, outdoor conditions, you can expect yields to extend to 500 grams or 17.5 oz per plant.
How far should HPS lights be from plants?
Go the Distance HPS lights should not be placed inches from the plants, as you would place fluorescent lights; you should set HPS lamps higher, generally between 5 and 8 feet from the plants. Whether you have a reflector with your HPS light makes a difference for how close you can keep it from the plants.
How far should fluorescent grow lights be from plants?
In general, you’ll want to hang your light no more than 12″ away from your plants. – Remember: after 12″ fluorescent lighting loses its power, so make sure you don’t raise it any more than 12″ above your canopy otherwise your plants aren’t getting light energy.