QuoteReplyTopic: 70 MH or 150MH Posted: March 09 2010 at 10:13pm
I've looking to light a 20H and I have a 70 MH ballast and a 150 MH ballast. I'm planning on keeping some softies and / or a couple of LPS (bubble coral, hammer, torch, frogspawn).
Can I get the coral to thrive under the 70MH or should I step it up to the 150 MH. I have both but was wondering if I can get away with the lower wattage.
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