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Saltwater Reef Aquariums have led many of us to the Cannabis growing hobby and visa versa. This thread is a place to post pictures of your reef aquariums, talk about similarities between the two hobbies. Link cool new features of Reef LED products, that would have applications for us growers...

Hey Guys, a couple of commenters on YT dropped me a link to a guy prototyping an LED fixture platform that will allow the user to choose -standard active cooling -inline ducted cooling -<or> water cooling via a copper manifold that integrates with the heatsinks I figured I would start a thread...

I could really use you guys help. I am thinking about importing a container of chinese made led fixtures. -I will not alter them in anyway. -I will mark them up 300% -I will reference state of the art COB technology, using a mix of colored leds so that the light emitted is a beautiful purple...

Forums > The Grow Room > Indoor Growing > LED and other Lighting is where you go to learn the REAL science and techniques to employ the most efficient/effective grow room lighting solutions on earth. Visiting other similar forums, you quickly realize that no other website compares. These...

Hello :) I'm growmau5. I contacted Mark over at www.cutter.com.au a few weeks ago to ask if he could package together some high quality components and offer us a 1-click solution to ordering the parts necessary to assembly the single most popular configuration for most growers here: Four of...

Hey guys, I have been looking through @stardustsailor 's old threads trying to find the answer and avoid making this post. But I am having a little trouble deciphering the lingo. THE GOAL: use a 0-5v pwm signal from a controller like an arduino to control an led driver like an HLG with a 0-10v...

false alarm

I'm starting a new chapter in my flowering room and building a new setup. I wanted to start this thread to have a place to show my projects while following along with my latest grow. Grow space: 4' x 10' Dissipation: ~1200w for 30 watts/sqft mostly CXA3070 AD, mixed 3k & 4K run @ 1400mA...

I was listening to the Dude Grows podcast following the 4/20 cup in colorado. They mentioned a new product that is a small device that fits on a mason jar or into a 5g bucket lid. This product has a digital humidity sensor and display attached to a small fan to regulate relative humidity in...

Hey growers, I am in the market for a new mini split a/c unit, and I really want to pair it properly with my lights. I am specifically looking at the Fujitsu rls3 family of units. Their 9000 btu is the most efficient highest SEER rating in the world right now. Efficiency is very important to...

Greetings RIU, I am new to these forums and wanted to start out by showing my latest project inspired by my BML Spydr 600, SupraSPL's threads as well as Greengene's latest fixtures. Project Goals: create an attractive fixture that will look at home next to a BML spyder achieve high lumen per...