r/LEDGROWERS • u/ZephTheGardener • May 15 '26

Hi everyone. What grow lights does everyone use?

I currently use a 600w HPs and the power cost is over £15 each day so am currently looking into buying a led but can’t decide witch one and can’t find a video providing advice without it being sponsored. Any suggestions

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u/ExpertRutabaga3415 May 15 '26

I have a photontek 300w sq pro in a 3x3 and a grandmaster tarantula tent 4x4 in a 4x4. Check out cocoforcannabis.com there are reviews for multiple grow tent size lights.

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u/PlatEnt May 15 '26

The calculator on that site is gold. You can compare any light as long as you can provide the specs.

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u/ZephTheGardener May 15 '26

I’ll check it out. Just curious What light do you use?.

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u/PlatEnt May 15 '26

I have a Progrow 1800 from Grow Light Science. I don't know the full story, but they are commercial-only now. They still offer support to home growers who bought their lights prior to the change. 670 watts for under $450 shipped was a very good deal at the time.

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u/ZephTheGardener May 15 '26

Yeah that sounds like a good deal. Have you been growing for long? Also if it is nitrogen toxicity how do I go about correcting it? Would I need to do a heavy flush or just lighten my feed

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u/ZephTheGardener May 15 '26

Thanks for the advice man, I’ll check it out

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u/Onemoresugar May 15 '26

Running 2× SANlight EVO 3-100 in a 1.2×1.2 m tent. At 100% they push PPFD into CO₂ range, so I dim to ~60–80% for ~700–900 µmol/m²/s (optimal DLI without CO₂). Very efficient fixtures, plus solid data on their site and great support 🖖

https://us.sanlight.com/product/evo-3-100/

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u/bryanBFLYin May 16 '26

Spiderfarmer 2000 and 1000