LED'S I am confused

[Poppylon]

I have got myself so dam confused on Led lights. Do I go by the 50w per sqft, or by coverage. What par value is optimal for plants coverage growth. If anyone has time could you someone look at these LEDs for me and give opinion . I am trying to cover 4x8 grow tent.
https://www.amazon.com/VIPARSPECTRA/...n=VIPARSPECTRA. 1200w
https://www.amazon.com/VIPARSPECTRA/...n=VIPARSPECTRA 900w
https://www.amazon.com/VIPARSPECTRA/...n=VIPARSPECTRA 900w long foot print
https://www.amazon.com/VIPARSPECTRA/...n=VIPARSPECTRA PAR1200w
I am not computer savvy hope I did the above links ok.

thanks.

[Dutchman1]

3 900 Watt would be best, two 1200w might get the job done but why buy leds for a 1000 dollars when there are better lighting options for that kind of money?

[Poppylon]

Please explain my other options. as stated I am trying to cover 4x8 grow area. would like to grow 6 to 8 plants. Goal is to produce 1.5 to 2 pounds per grow.

[Poppylon]

which 900w? the square or rectangle

[Dutchman1]

I use Leds Poppylon but I only grow in a 3x3 area. but for 4foot by 8 foot you were talking about for the money Id go. .

https://www.amazon.com/Topogrow-Light-3100K-REPLACE-1000W/dp/B06XY4NTNR/ref=sr_1_2?ie=UTF8&qid=1510784810&sr=8-2&keywords=315+lec&dpID=51DHOQVf8cL&preST=_SY300_QL70_&dpSrc=srch

Two should cover your area

[Jr83]

Im using viparspectra v300 2 of them and here is what im producing so far my first grow

[Poppylon]

Really nice love them. how big is your grow area.

[Jr83]

Oh about 4x4 give or take i got then sqeezed into a 2x2 area ish maybe a bit bigger I'll find a pic for ya hold on

[Jr83]

So yeah viparspectra is a great light you'll get even better results if u get 1 vipar and on mars hydro reflector series on both

[abadtrip]

Stunning flowers
I run 3 300w in a 2x4

[Jr83]

Thank i spent 7 years studying before this grow which is my first im impressed with the lights and myself

[Poppylon]

yes i am retired i have all day lol

[Jr83]

Its just reflective material thrown together in a grow area and a Pic if the vipars I've been impressed by today i just admit i didn't expect them to rocj out like they have i do wish i had gotten a mars hydro to go with them for the red

[Poppylon]

not bad at all. I currently have 3- 300w(136 truew) and 1 300w vipar. I have 1 2x4x5 and 1.5 x 3. they were give to me

[Jr83]

I got 2 vipar v300 u see my results so far

[D.A.A.S.69]

Instead of one big light trying to cover an area, you get lots better coverage by using 3-4 smaller lights.

[Jr83]

That's what i got 2 v300 leds

[GRAND]

I agree! When it comes to LED'S more units will give better coverage than 1 big one, have you thought about those new CMH lights. Maybe 2 in the 4 x 8 tent might work well! Just chiming in,

[Jr83]

https://forum.growweedeasy.com/node/145600

Here's the link to my first grow thread of anyone wants to peek

[Jr83]

At least i think did that rright in technologically challenged lmao

[Weed Pharma]

I have used the Viparspectra PAR 1200 in an open grow room- it easily covers a 4x4 area and can be raised to cover 5x5 area.
It did use the entire 9 1/2' ceiling height and may not be suitable for an 8' tent.

With regards to PAR mounts- a simple way -is to shoot for 700-800 (at the canopy) in flower and 350-400 in veg.

This is where the $$$ spent is most effecient:
You can spend more for bragging rights- but it costs you every single grow, as the increased expense does not justify the return.

Heat is a consideration, as two smaller lights will give you more Btu's than a single light of the same wattage would.

I use the LED's foot print first and then the heat factor to determine which light(s) I use.

That said, I was unable to get the Btu's from Viparspectra's "tech support=marketing sales person" the last time I purchased a light for a specific tent, so ended up buying from another company.

[Poppylon]

I haven't bought the 4 x 8 tent yet. I have a room in my house. i can use 5 x 8 with 9 foot ceiling. 40 sq ft. I really need to grow at least 1.5 to 2 pound per grow. is this doable growing high yield autos using LST. seed .supplier says 450 to 550 g per sq meter.per plant. I know this figure is under perfect conditions
I really do thank everyone for input..

[Dutchman1]

2 of these should cover the area for $ 400. If it was me though Id try the two expecting to need a third one.

https://www.amazon.com/Topogrow-Light-3100K-REPLACE-1000W/dp/B06XY4NTNR/ref=sr_1_2?ie=UTF8&qid=1510784810&sr=8-2&keywords=315+lec&dpID=51DHOQVf8cL&preST=_SY300_QL70_&dpSrc=srch

[Poppylon]

I am not going with the 4 x 8 x7 grow tent. I have a room I can divide of and make a grow area 5' x 9' x 9'
I ready to order topogrow lights. should i get 2 630w , or 3 315w ?

[D.A.A.S.69]

Hey Poppy, some folks get 3-6 ozs a plant if they are heathy, maybe a little more sometimes , some plants grow big some don't, regardless what the seed banks say.
I ain't good at figuring, say you average 4 ozs. a plant ,6 plants would get you 24 ozs., . Reckon that would be enough?

[GreenDragonRon]

I think 315 W CMH fixtures are suited for 3' x 3' spaces, I'd go with 2 - 630 CMH DE. Fairly cheap, probably around $500 USD for the pair. They'll be a little overkill but I'd rather have too much spread than too little.

If you want to stick with LEDs, I would get 2 - PLC6 units from Pacific Light Concepts. They retail for $799 but I believe they are a much better µmol/$.

[PRIMO]

HI poppy, I use a Sun 315 lec in a 4x4x80 that I get pretty dang good results with, if I doubled the size of my tent I would trot right on down and get another.

[Dutchman1]

Agreed.

[D.A.A.S.69]

Hey Poppy, check out Growers House 315cmh for 289.bucks ,free delivery, dimmable ballast, 3year warranty, really nice, friendly ,smart people to talk to. Whatever you decide, I wish you good luck with your lights, an I hope you grow the amount you need.

[Dutchman1]

Thats why I suggested a different light than led for the 4x8 area you want to grow in. Leds are great for smaller grows in my opinion. Its what I use for a 3x3. But if your going larger you need a bigger footprint and the larger LEDS dont do it as well in my opinion as other options already suggested here.

https://www.amazon.com/Topogrow-Light-3100K-REPLACE-1000W/dp/B06XY4NTNR/ref=sr_1_3?ie=UTF8&qid=1510858130&sr=8-3&keywords=315++lec&dpID=51DHOQVf8cL&preST=_SY300_QL70_&dpSrc=srch

Or go hardcore and do 1000 watt HPS.

[D.A.A.S.69]

That's why I suggested the 315cmh, you want have to worry about PAR, or anything, it's so bright it will hurt your neighbors eyes.

[Jr83]

Ur better off starting small and working ur way up to a bigger garden I'm starting with my little 3x3 or so and eventually i plan on using half my basement and big aas tents with good lights bit the end it'll be ur decision what u feel will be best for u Once im more experience I'll build my perpetual harvest set up and harvest every month