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  1. Grow Lights Australia

    Lumatek attis or Migro array (and a few other Q's)

    LOL! I can asure you these boards will not "snap". They are actually 25% thicker than nearly every other LED Board on the market – 2mm vs 1.6mm. Once bolted to a heatsink, you will not bend them. We also have an outstanding track record for reliability. No failed boards in over two years. Three...
  2. Grow Lights Australia

    Samsung H series strips, Arrow seems to be blowing them out! what a deal!

    Good link. This is one of the reasons why < 60V may be preferred for DIY. Safety Extra-Low Voltage (SELV) Circuit A secondary circuit that cannot reach a hazardous voltage between any two accessible parts or an accessible part and protective earth under normal operation or while experiencing...
  3. Grow Lights Australia

    Samsung H series strips, Arrow seems to be blowing them out! what a deal!

    Voltage drop = Current x Resistance (simplified formula). When you double the current across the same resistor, you double the voltage drop. 48V x 10A = 480W 24V x 20A = 480W Same power but 24V has double the voltage drop of 48V across the same circuit (resistance) because it has twice the...
  4. Grow Lights Australia

    Dimming

    It can be, but then you need to measure both sides to see how much you are losing to the driver (or compare it to the advertised losses from the datasheet). Plus it's handy to know what sort of DC voltage and current you have at the boards so you can match to future drivers or other boards.
  5. Grow Lights Australia

    Dimming

    Yes, we've seen the same phenomenon in mostly indica vs mostly sativa grows. The sativas can handle maybe 1000-1100 PPFD while many indicas will bleach under that and are not happy until you get PPFD down to around 800 or so. The other variable is the LED lights themselves. Somre are better than...
  6. Grow Lights Australia

    $2 f-series strips

    Sounds like a plan. Hit me up when you get them, I'm sure we can work something out.
  7. Grow Lights Australia

    High Light Sale, Free Buddies – More Than 10% Off

    To celebrate 18 months of making boards and a few new ideas on the way, all our High Light boards and Kits are going on sale on Sunday (Saturday in some parts of the world): https://growlightsaustralia.com/products/ The "FORUM" coupon won't work on sale items, however everything on sale will...
  8. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    Unfortunately Teknik is in Melbourne and they are in stage 4 lockdown. He was in the middle of preparing datasheets for the Buddies when he got locked out of his testing facility. He is still hoping top get them done soon. I will post them up as soon as we have them.
  9. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    Hi mate, it would help to know exactly what you are already running, but the simplest way would be to calculate watts as a percentage. Far Red Buddies will be a little more efficient than the lights you have – maybe 20-25% more efficient – so you can work it out that way. If you added two...
  10. Grow Lights Australia

    Buddies LED Specs

    We had a request in another thread to post up full specs for all Buddies with an easy reference guide for under-canopy/side-lighting and supplementary Red and Far Red (near-UV, Blue, Cyan Buddies will be coming in future). So here it is. Info can also be found on the Grow Lights Australia...
  11. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    As per the request from @cobshopgrow here are the specs for all Buddies we currently have in stock: CRI 95 White (4000K) This is the alrounder for side-lighting and under-canopy lighting. The high CRI white phosphor LED provides balanced, full-spectrum light that can be used throughout the...
  12. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    Hi Nizza I know Teknik is working on something but we don't expect to see them any time soon. They could be 2-3 months away. They won't be PC Blue either, they will be a combination of individual 400nm (x2), 430nm (x2) and 480nm (x4) LEDs in Buddies housings in a string of 8. This is due to the...
  13. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    No mate you need to run them off a separate driver, either a 24V constant voltage driver or a constant power driver like a Mean Well XLG. You can click the link in the previous post for specs, but basically the 4K White and PC Red are 24V/30mA strings of 20 in parallel (24V forward voltage...
  14. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    All specs are here: https://growlightsaustralia.com/product/buddies/ Yes, we think they're well-priced considering how robust and well they work.
  15. Grow Lights Australia

    High light UV led 450 watt vrs HLG Quantum 550R boards

    Hey, I'm sorry to have missed this thread. Not sure how I missed it. @Scuzzman Thank you for your order – I'm glad it finally arrived! I'm surprised the HLG-550s are so cheap in NZ as they're usually about A$1400-$1500 here, and for that sort of money you could buy two of our 350W or 450W kits...
  16. Grow Lights Australia

    Buddies! Flexible LEDs for side lighting, under canopy and supplementary Far Red

    Looking for a handy, water-proof solution to side-lighting, under-canopy lighting, supplemental 660nm red lighting and 730nm far red lighting? Look no further! Buddies are arguably the most flexible LED lighting solution available to growers. Newly produced by Australian company LED Teknik and...
  17. Grow Lights Australia

    More THC testing – UVA vs UVB vs near-UV

    Yes I saw that. They used monos and as you know we used white phosphors to achieve the same and I'm pretty sure we were one of the first to do that. But there are many ways to skin a cat and we don't profess to have re-invented the wheel.
  18. Grow Lights Australia

    More THC testing – UVA vs UVB vs near-UV

    Yes. I've also seen those lights and they have a pinkish hue but are still white. I have the spectographs here and that one is around CRI 83 and I was slightly off as it's 2500K.
  19. Grow Lights Australia

    More THC testing – UVA vs UVB vs near-UV

    It was mainly the maximum rated current, 100mA for the Optisolis and 150mA for the Sunlike. Also, Optisolis has a blue pump at 420nm which is not as efficient as the Sunlike Leds with a 415nm pump.
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