Number of plants under a 1000W HPS for maximum yield

I have aboout 20, 1 1/2 foot plantsunder my 1000 watter.
I'm confused Karaxul said a 1000 watt light covers 8 x 8 feet and now your saying 5x5 feet ...which is it.I don't really care personnally but your confusing ppl.

I dont know anymore, the guy at the hydro shop told me a 1000W covered a 5 x 5 space. If it's more great but I personally dont know anymore :confused:

Maybe it depends on the type of shades you use ???? What kind should I get to cover a bigger space ?

I use one 1000 watt hps. I use 1 gallon containers and use clones. I put 35-39 clones under light. I aslo use reflective material. This time i did 39. I average just over 2 lbs of bud every 2.5 months. The leaf and smaller buds i use in my icewater bags to make hash.

dai*ma :stoned:

What do you mean by

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You will not want to clip clones until the first true set of 5 prong leaves.

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You mean I will not want to top them ? This brings me to another question:

I've been an outdoor grower for a couple years and I would always top my plants twice per season before they start flowering. When should I top my plants before putting them in a 12/12 light cycle ? Would toping them while in the 12/12 damage them or slow their growth ?

so if I'm getting what you are all saying, it does not matter how many plants I have under each lamps as long as I maximise the space, the yield should be similar ... (1 gramm per watts)

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I use one 1000 watt hps. I use 1 gallon containers and use clones. I put 35-39 clones under light. I average just over 2 lbs of bud every 2.5 months

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Do you think you would get the same yield if you had less plants of bigger size ?

How tall are you clones when they it 12/12 so that they all fit ?

Less plants doesn't mean less yield. It's the amount of light that is important. I always grew 24 plants in one cabinette on 2x 600Watt and I yielded 1050grams dry.. I changed too 6 plants on 2x 600Watt and I'm getting as much and even more, my record on 6 plants stand on 1254 grams

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britewire Less plants doesn't mean less yield. It's the amount of light that is important. I always grew 24 plants in one cabinette on 2x 600Watt and I yielded 1050grams dry.. I changed too 6 plants on 2x 600Watt and I'm getting as much and even more

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OK britewire, you are confirming my first idea ; less plant with bigger ones will give a better yield than that SOG technique â?¦ Plus it a lot less work! I will be doing the same as you are doing.

Britewire, how many plats should I put under my 1000W in what size pots ?

Thanks dude :dance:

A simple and cheep hydro is the two bucket system. hydro will be quicker and the yeilds are the same if not more.
I would divde the room into 3 8*8 rooms and have 6 plants under each.
Have as many fans as possible, inlet, oscilators and exhaust.
4 soil put 6 of the biggest tubs you can get into an 8*8 space. the more foot room the better.

Also dont tip the plants but bend them gently every couple of days for the the first 10 - 12

Place about 6 plants under your light in a 10 or 15liter pot. I would start out with taking about 12 plants and let them grow about a week in small pots. When you´ve made a decision witch plants do best and look healthiest (darkgreen) choose 6 plants that you want to place in the big 10 too 15 liter pots. Give the big pots some AdvancedNutrients Pirahna a week before placing the plants in their. You´ll get some good fungi in there that forms a biotoop with the plant.

Place a bin underneath the pots, cause after a couple of days you want to give them their nutrients and water from the binn under the pot. The roots wil find the water eventually.

Do a 3 week veg (18-6) and start on 12-12 after that with some guano tea and pk13-14..

Wow, thanks so much for the infos!

I will post pics soon.