1000watt vs 600watt?? (HPS) *DETAILED*

[sirsmokesalot831]

So personally i have a magnetic, switchable 1000w ballast. Im using an UltraSun
1000w bulb, in a "Yield Master 2" 6inch reflector. My temps are always cool between
70-80 at its highest as i run the HPS at night with fans going slightly above the plants,
One clip-on fan blowing into the reflector and one Fan blowing fresh air in through an open
window (with a screen of course) I have 4 plants all about 3 weeks old just sending to flowering.

1. MarionBerry Kush
2. Ak-47
3. Sour Kush aka Headband
4. Girl Scout Cookies -- Authentic from the bay area where i live


Can someone PLEASE make it clear the distinct differneces in RESULTS from
a SINGLE 1000w vs 600w HPS. A lot of people say that a 600w is more efficient
and can get you about the same yield (temps NOT in mind, lets assume both will be in 70-80temp wise).
But is a 1000w HPS only better if growing MORE plants? I hear you can get Denser, chunkier nuggets
with a 1000w, but is it only really worth it if growing a lot of plants? I also hear
you can " bleach " your plants with a 1000w being too close, ive never heard of this
happening with a 600w? SO would it be better to get a 600w that can get closer to buds and
still get 1000w yield? or is a 1000w only comparable to itself in quality of buds.
EXPERIENCED GROWERS FEEL FREE TO ENLIGHTEN. Its not a matter of which is better for how many plants,
but which do YOU prefer and WHY through your own personal experience (including plant count) -- thanks

 

[spek9]

More watts per square foot the better. A 600w is for 4x4', a 1000w can do 5x5, or in a smaller space, 1000w is more light and more penetration which equals better results.

Get a 1000w dimmable, then you can dim it down to 500w or 750w if you want it closer.

-spek

 

[UOENO]

I was also like "should I go 600w or 1000" So i said f@ck it. I got 2 gavitas pro 1000 which are dimmable and the maximum are 1150 per unti and I am blasting mines around 2 1/2 ft from tops. They love it, check it out. T
hey still have 2-3 more weeks to go. GDP's
BTW, I would love some GSC man I am more up north from u =)

 

[budbro18]

I prefer 600w just for heat mainly. And i run in a 4x4 so it fits it perfectly. But even when i double up my set up im just going to get another 600w.

1000ws are nice but a bit too hot for my space. Dont like workin the AC that hard. I can get the light closer with less heat but you can bleach the plant with the light if you get it too close. Happens sometimes in winter when my temps are so cold branches can be touching the glass on the cooltube and be fine, besides the bleaching from being inches away.

 

[slowbus]

bleaching...yep thats my issue at the second.I been wondering wtf for days..lol

 

[BustinScales510]

1000 watt will stomp on a 600 for yield. Doesnt really have to do with plant numbers so much as it does canopy space. For optimal production a 1000 watt will light up 4x4' area and 600 watt will light up 3x3, so whether its 9 small plants or one huge one doesnt matter as long as the canopy is full of tops. 1000 watt does need to be kept a little further away since its brighter and also because its lighting up a larger area.

 

[Stompromper]

A 600 will do a 4x4 just fine. 2 600's will stomp all over 1 1000w...

 

[RedCarpetMatches]

2 Philips 315w Greenpower CMHs > Gavita pro 1000 DE > every other light

 

[UOENO]

I prefer 600w just for heat mainly. And i run in a 4x4 so it fits it perfectly. But even when i double up my set up im just going to get another 600w.

1000ws are nice but a bit too hot for my space. Dont like workin the AC that hard. I can get the light closer with less heat but you can bleach the plant with the light if you get it too close. Happens sometimes in winter when my temps are so cold branches can be touching the glass on the cooltube and be fine, besides the bleaching from being inches away.

Iwas comparing my electric bills, I installed an AC unit 15 BTUs and the bill just came around 45 bucks more lol...and thats 2 fans, one filter with its fan, the ac unit plus the two gavitas..I hope THE nEXT BILL comes similar lol that would be freaking awesome.. but i doubt it. It is colder now so the AC unit barely turns on but we will see. =)

 

[budbro18]

Iwas comparing my electric bills, I installed an AC unit 15 BTUs and the bill just came around 45 bucks more lol...and thats 2 fans, one filter with its fan, the ac unit plus the two gavitas..I hope THE nEXT BILL comes similar lol that would be freaking awesome.. but i doubt it. It is colder now so the AC unit barely turns on but we will see. =)

How are those gavitas working out?? What kind of heat do they throw off and what wattage do you have?

I wanted to get a new 600w light goin and theyre around the price range that i can afford and if they threw off as little heat as they say thatd be a for sure upgrade. Whats the bulbs CRI and what kind of bulbs are they putting out?

 

[ASMALLVOICE]

I flower 4 plants in a 42"x42" area under 1 600w cooltube. I keep the light about 10-12" from the center of the bulb to the plants and have no bleaching issues, only rock solid growth. I cannot see where 400 more of anything is going to make a change in anything except the electric bill.

If I had a larger area, I would still just team up on 600's just for the ability to damn near park them on the tops if you want to.


Peace and Great Grows

Asmallvoice

 

[UOENO]

How are those gavitas working out?? What kind of heat do they throw off and what wattage do you have?

I wanted to get a new 600w light goin and theyre around the price range that i can afford and if they threw off as little heat as they say thatd be a for sure upgrade. Whats the bulbs CRI and what kind of bulbs are they putting out?

The ballast barelly get hot and the heat is not an issue at all. The gavitas are the only ones that come with a phillips bulb. And like I mentioned b4, I am blasting mines with 1150 watts which is the maximum on the gavitas pro 1000

 

[budbro18]

The ballast barelly get hot and the heat is not an issue at all. The gavitas are the only ones that come with a phillips bulb. And like I mentioned b4, I am blasting mines with 1150 watts which is the maximum on the gavitas pro 1000

Nice! I tried lookin up the kelvin rating for the gavita but couldnt find it. Does it say on the box? I assume its good considering its made to grow. Also if you know the CRI let me know. PM me or somethin haha

 

[Experienced Grower]

Let me start by saying I have had many many years of experience growing cannabis and have thus far produced over 100 batches in several locations many at the same time, so believe me when I say there is very good reason not go for 600w sodium blubs you will get nowhere near the amount you can get if you use 1000 watt sodium bulbs and that is a fact.

In the old days you had to use 600 watt bulbs because of heat issues but this all changed when air cooled lighting became available. I personally started using air cooled lights before they were even available as I made my own version of an air cooled light long ago before the 1000 watt bulbs even gave out the kind of lumen output they give today.

Nowadays 600 watt bulbs put out an output of up to around 90,000 lumens, 1000 bulbs put out up to around 160,000 lumens. The question is how much difference do all these lumens make? The simple answer is A LOT in fact your yield could increase by as much as double due to not just the extra lumens but also the deeper penetration from the extra power meaning less under developed buds at the bottom of plants that often end up in the bin.

Now for all you eggheads let me explain the mathematics/science behind why more lumens results in far bigger yields.

First you must make sure the coverage of your plants is right. Ideally you should not be able to see the floor if looking down on your plants. Secondly you must use the correct food including EC levels and nutrients etc. then there is a formula you can use to work out the yield you can expect. You get 0.00001 gram per lumen per hour of light so to calculate the yield of a 600w or 1000w bulb you must do the following equation:

600 watt bulb
90,000 (Lumens) X 0.00001 (grams) X 12 (hours) X 60 (days) = 648 Grams per light

1000 Watt Bulb
160,000 (Lumens) X 0.00001 (grams) X 12 (hours) X 60 (days) = 1152 Grams per light

Results will vary from plant to plant and there are many factors other than just lights to take into consideration, but under optimum conditions the above amounts are what you can expect. Below I have made a graph to give an idea of the difference based on several different set up’s with optimum conditions. This graph does not reflect the extra you can also get from the 1000w bulbs from extra penetration so for the 1000w bulbs the results can be even higher.

2 X 600 Watt Bulbs = 1,296 Grams

2 X 1000 Watt Bulbs = 2,304 Grams

3 X 600 Watt Bulbs = 1,944 Grams

3 X 1000 Watt Bulbs = 3,456 Grams

4 X 600 Watt Bulbs = 2,592 Grams

4 X 1000 Watt Bulbs = 4,608 Grams

5 X 600 Watt Bulbs = 3,240Grams

5 X 1000 Watt Bulbs = 5,760 Grams

6 X 600 Watt Bulbs = 3,888 Grams

6 X 1000 Watt Bulbs = 6,912 Grams

7 X 600 Watt Bulbs = 4,536 Grams

7 X 1000 Watt Bulbs = 8,064 Grams

8 X 600 Watt Bulbs = 5,184 Grams

8 X 1000 Watt Bulbs = 9,216 Grams

9 X 600 Watt Bulbs = 5,832 Grams

9 X 1000 Watt Bulbs = 10,368 Grams

10 X 600 Watt Bulbs = 6,480 Grams

10 X 1000 Watt Bulbs = 11,520 Grams

 

[Sativied]

Interesting. I had no idea 7x1000w yields more than 7x600w.

So 0.01 milligrams per hour per lumen is the new gpw. Great first post, you will fit it in nicely here. Welcome to rollitupioa!

 

[fandango]

So personally i have a magnetic, switchable 1000w ballast. Im using an UltraSun
1000w bulb, in a "Yield Master 2" 6inch reflector. My temps are always cool between
70-80 at its highest as i run the HPS at night with fans going slightly above the plants,
One clip-on fan blowing into the reflector and one Fan blowing fresh air in through an open
window (with a screen of course) I have 4 plants all about 3 weeks old just sending to flowering.

1. MarionBerry Kush
2. Ak-47
3. Sour Kush aka Headband
4. Girl Scout Cookies -- Authentic from the bay area where i live


Can someone PLEASE make it clear the distinct differneces in RESULTS from
a SINGLE 1000w vs 600w HPS. A lot of people say that a 600w is more efficient
and can get you about the same yield (temps NOT in mind, lets assume both will be in 70-80temp wise).
But is a 1000w HPS only better if growing MORE plants? I hear you can get Denser, chunkier nuggets
with a 1000w, but is it only really worth it if growing a lot of plants? I also hear
you can " bleach " your plants with a 1000w being too close, ive never heard of this
happening with a 600w? SO would it be better to get a 600w that can get closer to buds and
still get 1000w yield? or is a 1000w only comparable to itself in quality of buds.
EXPERIENCED GROWERS FEEL FREE TO ENLIGHTEN. Its not a matter of which is better for how many plants,
but which do YOU prefer and WHY through your own personal experience (including plant count) -- thanks

I have both running at the moment...the 600 is better because it uses less juice and the make up is had from a lower setting over the plant.
1000w is not needed because you can check with a light meter and find you have to pull the 1000w up and away to keep the heat from burning the heads,as the 600 can be closer...and give the same lumens
so 1200w or 2000w...now the difference in hourly cost adds up
but..the light bill should be about 25% cost of the buds..so more light is better

confused yet...I still am

 

[intenseneal]

I am in a 4x4 tent and i went with a 600w due to heat issues plus is perfect for that space imo. If you ha e a larger area and more canopy then a 1000w may be the way to go. In short in an area 4x4 and under a 600w is bang for the overall buck.

 

[kmog33]

Let me start by saying I have had many many years of experience growing cannabis and have thus far produced over 100 batches in several locations many at the same time, so believe me when I say there is very good reason not go for 600w sodium blubs you will get nowhere near the amount you can get if you use 1000 watt sodium bulbs and that is a fact.

In the old days you had to use 600 watt bulbs because of heat issues but this all changed when air cooled lighting became available. I personally started using air cooled lights before they were even available as I made my own version of an air cooled light long ago before the 1000 watt bulbs even gave out the kind of lumen output they give today.

Nowadays 600 watt bulbs put out an output of up to around 90,000 lumens, 1000 bulbs put out up to around 160,000 lumens. The question is how much difference do all these lumens make? The simple answer is A LOT in fact your yield could increase by as much as double due to not just the extra lumens but also the deeper penetration from the extra power meaning less under developed buds at the bottom of plants that often end up in the bin.

Now for all you eggheads let me explain the mathematics/science behind why more lumens results in far bigger yields.

First you must make sure the coverage of your plants is right. Ideally you should not be able to see the floor if looking down on your plants. Secondly you must use the correct food including EC levels and nutrients etc. then there is a formula you can use to work out the yield you can expect. You get 0.00001 gram per lumen per hour of light so to calculate the yield of a 600w or 1000w bulb you must do the following equation:

600 watt bulb
90,000 (Lumens) X 0.00001 (grams) X 12 (hours) X 60 (days) = 648 Grams per light

1000 Watt Bulb
160,000 (Lumens) X 0.00001 (grams) X 12 (hours) X 60 (days) = 1152 Grams per light

Results will vary from plant to plant and there are many factors other than just lights to take into consideration, but under optimum conditions the above amounts are what you can expect. Below I have made a graph to give an idea of the difference based on several different set up’s with optimum conditions. This graph does not reflect the extra you can also get from the 1000w bulbs from extra penetration so for the 1000w bulbs the results can be even higher.

2 X 600 Watt Bulbs = 1,296 Grams

2 X 1000 Watt Bulbs = 2,304 Grams

3 X 600 Watt Bulbs = 1,944 Grams

3 X 1000 Watt Bulbs = 3,456 Grams

4 X 600 Watt Bulbs = 2,592 Grams

4 X 1000 Watt Bulbs = 4,608 Grams

5 X 600 Watt Bulbs = 3,240Grams

5 X 1000 Watt Bulbs = 5,760 Grams

6 X 600 Watt Bulbs = 3,888 Grams

6 X 1000 Watt Bulbs = 6,912 Grams

7 X 600 Watt Bulbs = 4,536 Grams

7 X 1000 Watt Bulbs = 8,064 Grams

8 X 600 Watt Bulbs = 5,184 Grams

8 X 1000 Watt Bulbs = 9,216 Grams

9 X 600 Watt Bulbs = 5,832 Grams

9 X 1000 Watt Bulbs = 10,368 Grams

10 X 600 Watt Bulbs = 6,480 Grams

10 X 1000 Watt Bulbs = 11,520 Grams

So brand new hortilux super hps 1000 is 145000 lumens initial

600 watt ultra sun is 90000 lumens hortilux is 88000

At 3 X 1000 and 5 X 600 the 600s should beat the 1000s by a bit...

145k X 3 = 435k lumens with 60 sq ft coverage

Vs

90k X 5 = 450k lumens and 60 sq ft coverage.

For coverage I figured 4x5 for the thousands with overlap and for the 600s I figured a 3x4 with overlap so could be more or less depending on your opinion of whether a 1k covers a 4x4 or 5x5 and 600 a 3x3 or 4x4.

But unless my math is wrong it seems like a 600 puts out more light at the same wattage as a 1k so I don't understand how you figure 600s pull less at the same wattage.


Sent from my iPhone using Tapatalk

 

[Experienced Grower]

Let me start by saying I have had many many years of experience growing cannabis and have thus far produced over 100 batches in several locations many at the same time, so believe me when I say there is very good reason not go for 600w sodium blubs you will get nowhere near the amount you can get if you use 1000 watt sodium bulbs and that is a fact.

In the old days you had to use 600 watt bulbs because of heat issues but this all changed when air cooled lighting became available. I personally started using air cooled lights before they were even available as I made my own version of an air cooled light long ago before the 1000 watt bulbs even gave out the kind of lumen output they give today.

Nowadays 600 watt bulbs put out an output of up to around 90,000 lumens, 1000 bulbs put out up to around 160,000 lumens. The question is how much difference do all these lumens make? The simple answer is A LOT in fact your yield could increase by as much as double due to not just the extra lumens but also the deeper penetration from the extra power meaning less under developed buds at the bottom of plants that often end up in the bin.

Now for all you eggheads let me explain the mathematics/science behind why more lumens results in far bigger yields.

First you must make sure the coverage of your plants is right. Ideally you should not be able to see the floor if looking down on your plants. Secondly you must use the correct food including EC levels and nutrients etc. then there is a formula you can use to work out the yield you can expect. You get 0.00001 gram per lumen per hour of light so to calculate the yield of a 600w or 1000w bulb you must do the following equation:

600 watt bulb
90,000 (Lumens) X 0.00001 (grams) X 12 (hours) X 60 (days) = 648 Grams per light

1000 Watt Bulb
160,000 (Lumens) X 0.00001 (grams) X 12 (hours) X 60 (days) = 1152 Grams per light

Results will vary from plant to plant and there are many factors other than just lights to take into consideration, but under optimum conditions the above amounts are what you can expect. Below I have made a graph to give an idea of the difference based on several different set up’s with optimum conditions. This graph does not reflect the extra you can also get from the 1000w bulbs from extra penetration so for the 1000w bulbs the results can be even higher.

2 X 600 Watt Bulbs = 1,296 Grams

2 X 1000 Watt Bulbs = 2,304 Grams

3 X 600 Watt Bulbs = 1,944 Grams

3 X 1000 Watt Bulbs = 3,456 Grams

4 X 600 Watt Bulbs = 2,592 Grams

4 X 1000 Watt Bulbs = 4,608 Grams

5 X 600 Watt Bulbs = 3,240Grams

5 X 1000 Watt Bulbs = 5,760 Grams

6 X 600 Watt Bulbs = 3,888 Grams

6 X 1000 Watt Bulbs = 6,912 Grams

7 X 600 Watt Bulbs = 4,536 Grams

7 X 1000 Watt Bulbs = 8,064 Grams

8 X 600 Watt Bulbs = 5,184 Grams

8 X 1000 Watt Bulbs = 9,216 Grams

9 X 600 Watt Bulbs = 5,832 Grams

9 X 1000 Watt Bulbs = 10,368 Grams

10 X 600 Watt Bulbs = 6,480 Grams

10 X 1000 Watt Bulbs = 11,520 Grams

I have both running at the moment...the 600 is better because it uses less juice and the make up is had from a lower setting over the plant.
1000w is not needed because you can check with a light meter and find you have to pull the 1000w up and away to keep the heat from burning the heads,as the 600 can be closer...and give the same lumens
so 1200w or 2000w...now the difference in hourly cost adds up
but..the light bill should be about 25% cost of the buds..so more light is better

confused yet...I still am

You just need air cooled lights and if the temp is too warm hook the lights up to an ac to keep them cool. That way you can keep them close to the plants without burning them

 

[Experienced Grower]

Years ago when I made my own air cooled lights I had a pipe running through a bath full of water made cold using parts from a freezer. Now days you can just by a water cooled fan or use an ac unit.