Lighting my tanks. MH for 90g LEDs for 30

NathanMI

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I'm going to upgrade my lighting I've been thinking about what to get

I have a 4bulb 24" T5 for my fuge which is plenty

90 gallon: 48x18x24
Current. Two 2-bulb 48" T5 fixtures

I want to add 2 400 watt MH
What do I look for in a MH bulb? Never used them before. I don't wanna break the bank.

30 gallon long: 48x12x12
I want to put an inexpensive LED fixture in this tank. It's very shallow at 12"

I plan on growing SpS in both tanks.

What do I look for in both fixtures?
 
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