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2Quills Totally agree with what you said and with most of what acrylic51 has said. I do tend to recommend several two parallel strings of the ELN over the the HLG simply because a lot of people doing DIY Builds do not know ohms law or how to hook up a multi meter.. 6 or 7 parallel strings can...

Quote: Originally Posted by acrylic51 Still not an efficient way to build a bigger rig!!!! Again "if"!!!!! The Mean Well 60-48D with two parallel strings of 12 LEDs is very efficient and cost effective. Yes a single dialed down to 700mA is not as efficient but still works well. Your looking at...

Update from Mean Well I talked to Leo from Mean Well USA and asked him if there was any problems running 10 Mean Well ELN60-48D on a single 20 Amp household circuit. His short answer was as long as everything is installed according to code there is no problem running 10 Drivers at once. When...

2Quills Its good to have this discussion as my families safety is my primary concern. I contacted the the engineering department at Mean Well from their their website. I asked them (not sure if he was a High School Tec Rep or Engineer with Doctorate but seemed familiar with the question) if...

2Quills I'm just posting my personal experience and opinion based on my own reef tank. I dont perscribe to groupthink but feel objective review of the collective experience found in the reef forums has been invaluable to the success of my own reef. I really would like to see an independent study...

Thought Id mention my personal experience on the harmonics issue. "The question of driver harmonics has come up may times. According to both Mean Well and Inventronics the start up current draw can be as high 30 or even 60 Amps. This happens for a micro second. If you consider 10 or 20 Mean...