Got myself a BD present - Canreef Aquatics Bulletin Board

12-25-2003, 02:21 AM

Bob I

Member

Join Date: Nov 2001

Location: Calgary, Alberta, Canada

Posts: 3,591

Quote:

Originally Posted by Jack

Would 1 MH not be enough?

Certainly should be. I was playing with my new Lux meter today, and measured 15000 Lux at the bottom of my 15, which was 24" from the 175W MH. John Tullock in his book states that 10000 Lux is adequate for most organisms. It should be noted that was with an old bulb.

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