Is a 400 watt HPS enough for this size pot?
A 400w hps is not enough light for that size space, I have a 400 in a 2x4 area, a 1000 watt would be perfect, or 2 400w lights... The buds will be thin and airy with that little light... I have a Homebox S Grow Tent (i think like 2' x 2' x 5' or a lil bigger) and I use a 400w HPS. Im gonna be growing 5 Auto White Russian in 3 gallon pots.
How much light do I need for a 400 watt HPS?
A 400w hps is not enough light for that size space, I have a 400 in a 2x4 area, a 1000 watt would be perfect, or 2 400w lights... The buds will be thin and airy with that little light... [/quot I was told that the 400 watt covers a 3x3 space.
How many plants can I grow under a 6 inch grow light?
You can easily grow 6 plants under that light, but you cant use the entire space with that light.. It will cover a 3x3 space but not a 4x4. a 3x3 space is 9 sq feet and a 4x4 is 16 square feet, thats almost double the size.. I guess you can leave a 6in space all around the plants and the wall of the tent..
What size HPS do I need for growing cannabis?
When you’re just starting to foray into the world of larger grow lights, a 400W HPS is an appropriate first light to try. It’s energy efficient, relatively cheap, and makes for large colas than stretch far down the plant.
How much area does a 400-watt HPS cover?
around 16 square feet400-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 can you yield with 400-watt HPS?
14 ouncesBest marijuana yield indoors In theory, the math is simple. 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 far should a 400-watt HPS light be from plants?
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 watts does a 400-watt HPS use?
461 wattsWhat is the difference between lamp watts and system watts?Metal Halide (MH) High Pressure Sodium (HPS)System Watts (approximate)400w MH461 watts1000w MH1080 watts250w HPS295 watts400w HPS460 watts5 more rows•Jul 1, 2014
Does more light equal more yield?
The light intensity rule of thumb is that a 1% increase in light equals to a 1% percent increase in yield. In a study by Wageninen University, they discovered this to be true of all horticultural crops they evaluated including, fruiting (vine) crops and flowers.
What is a good gram per watt yield?
0.5 g/WJust to put things in perspective, even 0.5 g/W is considered a good yield! The yield of 1 gram per watt is considered the "upper limit" possible for indoor grow lights (although it can be beaten)! The average to good growth yield is about 0.5 g/W.
How do you tell if grow light is too close?
The first signs look like thin outlines on the outside of the leaves, so if you catch this quickly you will have a chance to avoid further damage. If some of the leaves start curling up, it might also be a sign that the plant is too close to the light. Good ventilation usually also helps with this issue.
Can you veg under HPS?
In response to the general question, can you use an HPS bulb for veg, the answer is yes.
Can a grow light burn a plant?
Light, even intense light, probably won't burn your plants. If a plant is getting too much light, it can challenge your crops and be counterproductive, but it won't actually cause burning.
How much does it cost to run a 400 watt light?
At an average cost of 0.09 cents per kilowatt, a system of 1,000 400-watt Metal Halide fixtures costs $41.22 per hour. If the fixtures run an average of 730 hours every month (730 x $41.22), it ends up costing $30,090.60 every month or $30.09 per month in energy per fixture.
Does HPS use more electricity than LED?
LEDs are much more efficient than HPS lamps, which allows them to use lesser watts to achieve the same or higher output. The VOLT Grow® 720W FL-1 light produces a higher light output than a standard 1000W HPS light while using 30% less power.
Are HPS lights expensive to run?
Running this equipment for 16 hours a day (the standard for the vegging stage) means you'll be using 12.496 KWH a day. With our rate of $. 12/KWH, that puts you at around $1.49 a day for a total of about $44.98 a month.
How far away should I put my HPS light?
an hps needs to be AT LEAST 14 in away from your plants. That 2 inch stuff is for CFLs. Please don't put your light that close. You will kill your plant quick.
Can I grow fewer plants?
Yes, you could get a better yield from letting fewer plants grow taller/vegging longer for height - but you can also get a great yield from growing lots of smaller plants (SOG). That dear sir is all personal preference. But I have never heard of this 'Fast Harvest' that you speak of. The plants are gonna take 7-8+ weeks of flowering reguardless of their height - unless you have chosen a strain that finishes sooner.
What is the best grow light for colas?
When you’re just starting to foray into the world of larger grow lights, a 400W HPS is an appropriate first light to try. It’s energy efficient, relatively cheap, and makes for large colas than stretch far down the plant. These light are more popular than the 250W HPS, but less than the 600W HPS, and far less popular than the current line ...
Why do you start cannabis plants at half strength?
Always start at half strength with a new base nutrient system because the recommended strength is typically too high for cannabis. Get examples of great cannabis nutrients.
What are the pros and cons of indoor cannabis grow lights?
Still, these lights are a workhorse and will pay for themselves quickly in any medium-sized indoor cannabis grow. Pros: Cheap, effective, high yields and potency. Cons: Not popular, yellow spectrum is easy to spot by nosy people, some models emit RFI which can alert HAM radio users to your grow.
