- Joined
- Feb 27, 2016
- Messages
- 423
- Reaction score
- 153
Hey r2r...i need help... i was wondering... i went from a 3ft 6 bulb fixture to a 4ft 6 bulb fixture on a 75g 48 x 18d x 21h ... should it have to be hung alot higher due to higher wattage... some of my tips have been getting a little pale and white... all my sps is between 8”-15” below surface...the 4ft fixture was 10” above surface when i started noticing the tips... but i did have the 3ft fixture 8” above surface before i switched