- 250W 10K's
- Got Some Free Ballasts
- uv and acrylic ?
- 10k PC/ 03 actinic PC/ 6.5k MH COMBO???
- mounting vho when using spider reflectors?
- Decision with 250W or 400W Iwasaki
- BlueLine MH Ballasts??
- LOA PC LIGHT BALLAST?
- Interesting ballast study by Sanjay Joshi
- Wiring an Ice Cap 660 - licensed electrician required?
- 2" for a 100W MH?
- MH acclimitization
- Power is getting me worried - powering MH, VHO, return pump, skimmer pump, heater....
- New CHEAP MH bulb
- My light question!
- Another 150w Iwasaki question
- HELP - PLEASE!
- Ultralife Sunseeker VHO Question