Aussie High Lights – we're official

Nice PAR map mate. It looks similar to our Dialux simulation here, also at 4A (200W) and 45cm: https://growlightsaustralia.com/technology/mounting-options/



We haven't tried the XLGs yet, but we do sell the ELG-200-48A and AB drivers with the single board kits here. The XLG's aren't available yet yet in Australia but they're coming: https://growlightsaustralia.com/product/high-light-heatsink-driver-combo-215w/

That simulation is quite accurate. That was taken with a MQ-500 in a terrible quality tent. I may get a SQ-620 to measure the light properly.

If you download Dialux, I can forward you the IES files we use. Much faster and easier to use a simulation than a physical PAR meter. All the sims we've compared to actual PAR maps using Apogees etc have been very accurate. It's great for helping growers work out how much light they need for any given space.

Grow Lights Australia said:

If you download Dialux, I can forward you the IES files we use. Much faster and easier to use a simulation than a physical PAR meter. All the sims we've compared to actual PAR maps using Apogees etc have been very accurate. It's great for helping growers work out how much light they need for any given space.

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I like to collect data and make charts

Heres the 440w vs a 600w(670w) hps. Very close.
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I will upload on with the 600w/400v dimlux units we have. They are inpressive for SE hps

Any experience running these on a 24 hours schedule? Concerned it might be a bit much UV.

So finally got around to setting up my two high light uv boards https://growlightsaustralia.com/product/double-high-light-and-heatsink-combo-350-450w-max/ . I got the 3000k- uv version with the individual heatsinks. I went with an hlg 185-48a driver since they will be in a 2x2.5ft tent. I currently am using a 4 cob light dimmed way down in there for veg. Not in the most ideal of situations, so not too keen on posting pictures at the moment, but have 4 plants under the cobs right now looking great. Going to hang this new light in the next few days and flip to flower. I'll post some pictures of the end result, granted we make it there, when the time comes.

So the boards are obviously wired in parallel to the 185-48a driver and I have it set to pull 150 watts from the wall via a cheap kill a watt brand meter. Does this seem to be a good starting point? I have the cobs set at right around 115 watts from wall and about 26 inches from tops. I'm hoping to run the boards a little closer, but will probably start it at about the same height and see how it goes. Any help/suggestions about hanging height and power to use in this 5 sq ft tent would be great.

Thank you for the great customer service, as well as the quality product I received. I look forward to purchasing more products from your company in the future.

Silencio said:

Any experience running these on a 24 hours schedule? Concerned it might be a bit much UV.

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I ran a test board in veg for almost six months without any issues. However, I don't use 24-hour cycles in veg: mine vary from 16-20 hours depending on how fast I want them to grow. It is worth noting that sunlight has a lot more UV in summer, and the DLI is also a lot higher in summer compared to the traditional autumn flowering season, so the small amount of UV and near-UV in the High Light boards is not an issue in veg.

Prawn Connery said:

I ran a test board in veg for almost six months without any issues. However, I don't use 24-hour cycles in veg: mine vary from 16-20 hours depending on how fast I want them to grow. It is worth noting that sunlight has a lot more UV in summer, and the DLI is also a lot higher in summer compared to the traditional autumn flowering season, so the small amount of UV and near-UV in the High Light boards is not an issue in veg.

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How do you like plants structure in vegg with this spectrum? Indicas / sativas?

I got slightly faster growth than under the LM561C 5000K strips and didn't really notice much stretch in comparison. I grow mostly sativas, so I'm prepared for a bit of stretch anyway, but if you have good light levels in your veg chamber, I believe that helps with stretch more than spectrum. We've actually found 4000K to be the best veg spectrum in CRI80.

loco41 said:

So finally got around to setting up my two high light uv boards https://growlightsaustralia.com/product/double-high-light-and-heatsink-combo-350-450w-max/ . I got the 3000k- uv version with the individual heatsinks. I went with an hlg 185-48a driver since they will be in a 2x2.5ft tent. I currently am using a 4 cob light dimmed way down in there for veg. Not in the most ideal of situations, so not too keen on posting pictures at the moment, but have 4 plants under the cobs right now looking great. Going to hang this new light in the next few days and flip to flower. I'll post some pictures of the end result, granted we make it there, when the time comes.

So the boards are obviously wired in parallel to the 185-48a driver and I have it set to pull 150 watts from the wall via a cheap kill a watt brand meter. Does this seem to be a good starting point? I have the cobs set at right around 115 watts from wall and about 26 inches from tops. I'm hoping to run the boards a little closer, but will probably start it at about the same height and see how it goes. Any help/suggestions about hanging height and power to use in this 5 sq ft tent would be great.

Thank you for the great customer service, as well as the quality product I received. I look forward to purchasing more products from your company in the future.

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At the current settings, it's pretty marginal and may be OK for veg. This is what it should look like at 26" and 70W per board (150W at the wall):


If you dropped the lights to 18" at the same driver setting, it would be quite a bit better – there's really no need to hang the boards so high, as we normally suggest 16-18".


Once you hit flowering and turn the boards up as far as that driver will go, you will have a pretty even 800-1000+ PPFD across the tent. This is what the PAR map looks like at 120W per board. In reality, you will get about 100-105W per board with the HLG185H-48A (it should pull about 215-220W at the wall):


Here's what happens if you orientate the boards the other way, spread them a little, and drop them 2" to 16" above the canopy. Driver settings are the same (120W per board). At 105W per board, you'll probably lose 50 PPFD across the tent:


Hopefully this helps you visualise how the light spreads inside the tent.

Grow Lights Australia said:

At the current settings, it's pretty marginal and may be OK for veg. This is what it should look like at 26" and 70W per board (150W at the wall):
View attachment 4471562

If you dropped the lights to 18" at the same driver setting, it would be quite a bit better – there's really no need to hang the boards so high, as we normally suggest 16-18".
View attachment 4471559

Once you hit flowering and turn the boards up as far as that driver will go, you will have a pretty even 800-1000+ PPFD across the tent. This is what the PAR map looks like at 120W per board. In reality, you will get about 100-105W per board with the HLG185H-48A (it should pull about 215-220W at the wall):
View attachment 4471568

Here's what happens if you orientate the boards the other way, spread them a little, and drop them 2" to 16" above the canopy. Driver settings are the same (120W per board). At 105W per board, you'll probably lose 50 PPFD across the tent:
View attachment 4471591

Hopefully this helps you visualise how the light spreads inside the tent.

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Thank you very much, this is all perfect. I'll turn the lights up a bit before I hang them as I always tend to error on the lighter side with everything. Going to hold off a couple days before the flip, just top dressed the soil today so going to give that one more watering before i change it to 12/12. Hopefully I keep this soil going well and can show what these boards can do even in a new growers hands.

yo @Grow Lights Australia any plans on making strips?

lukio said:

yo @Grow Lights Australia any plans on making strips?

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Possibly, but it would be some time away. The main reason is because there are a lot of strip options out there already. Strips have their place, but we like the boards for their ease of mounting and easy wiring. And they're not too far behind strips in terms of light spread either. In fact, if you covered your tent roof with boards like @Or_Gro, @Frank Cannon and others have done, you get better coverage than with strips.

Sorry we can't help mate

Grow Lights Australia said:

Possibly, but it would be some time away. The main reason is because there are a lot of strip options out there already. Strips have their place, but we like the boards for their ease of mounting and easy wiring. And they're not too far behind strips in terms of light spread either. In fact, if you covered your tent roof with boards like @Or_Gro, @Frank Cannon and others have done, you get better coverage than with strips.

Sorry we can't help mate

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no worries guys. im looking to light some racks so im thinking strips are probs best.

i'll more than likely grab some of your boards at some point though. catch ya then

just hung up the boards in my little tent and going to flip to 12/12 tonight. again, first diy build so definitely room for improvement moving forward, but excited to finally have them hung up. plants look good and healthy from my inexperienced view so hopefully it all turns out well.

Any plans on a V2 highlight? 560x280mm, or 2x1 foot board with 500 or so diodes would be great for spread and would make it easy for working in supplementary strips when designing a light.

Would running a Sulphur Vaporiser effect the leds?

Grow Lights Australia said:

Possibly, but it would be some time away. The main reason is because there are a lot of strip options out there already. Strips have their place, but we like the boards for their ease of mounting and easy wiring. And they're not too far behind strips in terms of light spread either. In fact, if you covered your tent roof with boards like [B]@Or_Gro[/B], [B]@Frank Cannon[/B] and others have done, you get better coverage than with strips.

Sorry we can't help mate

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WHO IS THIS Frank guy you speak of?

we should file missing persons reports and put up signs, im starting to worry.
Since Or_gro bailed on us over at the other spot, we havent seen much of Frank or Prawn or Monkey it seems.

Its a shame, love those dudes.

Hey, I'm still here!

I've just been busy with life. Plus I'm letting @Grow Lights Australia answer all the High Light questions now. I've got a pretty cool grow going on at the moment, but it's a bit of a mess (jungle), as I got ambitious and planted some old Neville's Haze seeds and they've just taken over the entire tent. And I just did a big old thread about germing seeds over at the other place.

Reports of my demise have been greatly exaggerated!

Prawn Connery said:

Hey, I'm still here!

I've just been busy with life. Plus I'm letting @Grow Lights Australia answer all the High Light questions now. I've got a pretty cool grow going on at the moment, but it's a bit of a mess (jungle), as I got ambitious and planted some old Neville's Haze seeds and they've just taken over the entire tent. And I just did a big old thread about germing seeds over at the other place.

Reports of my demise have been greatly exaggerated!

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I gotta start navigating that place better, i keep missing shit lol

Im glad to see you around, everyone loves a good prawn.