How much light does 4 cannabis plants need?
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How much light does 4 cannabis plants need?
The other way to figure out your MH and/or HPS lighting needs is to use the wattage requirement. To grow a plant with a high light requirement, like cannabis, you want 30 to 70 watts per square foot of canopy. I would go for a minimum of 50 watts per square foot.
What size LED light do I need?
To determine the needed lumens, you will need to multiply your room square footage by your room foot-candle requirement. For example, a 100 square foot living room, which needs 10-20 foot-candles, will need 1,000-2,000 lumens. A 100 square foot dining room, which needs 30-40 foot-candles, will need 3,000-4,000 lumens.
How many lights do I need for 6 plants?
Recommended assuming 4.0 sq ft/plant
| # of Plants | Square Feet | Wattage from Wall |
|---|---|---|
| 1 | 4 | 120 to 140 watts |
| 2 | 8 | 240 to 300 watts |
| 4 | 16 | 500 to 650 watts |
| 6 | 24 | 700 to 860 watts |
How do you choose LED grow lights?
Tips When Buying LED Grow Lights
- Determine the Plants You Are Growing. Before buying indoor grow lights, you must know what you’ll use them for.
- Know the Surface Area.
- Find Durable LEDs.
- Consider the PAR.
- Ensure It Has a Proper Cooling System.
- Look for Lights that Offer Programmability.
- Don’t be Cheap.
- Final Thoughts.
What size LED grow lights do I need for 4 plants?
Generally speaking, you will need at least a size 3*3 grow tent for your 4 plants, and according to the grow experience, 1 sq feet will need at least 32W, so you will need at least 288W, so I suggest you to choose a 300-400 watt led grow light for your 4 cannabis plants.
How many watts of light do I need to grow cannabis?
To grow a plant with a high light requirement, like cannabis, you want 30 to 70 watts per square foot of canopy. I would go for a minimum of 50 watts per square foot. If budget and heat is not an issue, bump that up to 65 watts per square foot. Let’s look at the example from above again.
What is the best LED grow light for cannabis plants?
Spider Farmer SF-2000 LED grow light also has “2000” in the name, but this one uses 200W out of the wall. That means you could expect up to 7 oz with 1-4 plants. However, the Spider Farmer lights seem like they perform well with cannabis plants and some growers are producing up to 8 oz with this light.
What size grow light do I need for my canopy?
For example, if you are growing in a 5’ x 5’ space but your plant canopy only takes up 4’ x 4’, you don’t need a grow light capable of lighting the 5’ x 5’ space – it would be overkill. Most flowering plants grow best with 20-30 watts of light per square foot.