Not sure if this link is already there ..
A good DIY if you don't want to even buy a ballast ..
http://www.overgrow.com/growfaq/966
Agoog read on MH components for people who are just starting ..
http://www.personal.psu.edu/faculty/...hlighting.html
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29 G bow front
20#LR
40# Aragonite sand
Remora skimmer
1 Powerhead
Status (6/19): 0 Amo, 0 Nitrite, 5 Nitrate
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