Choosing the Right Fluorescent Ballast — 1000Bulbs Blog
UV Ballast for GPH450T5L/4P Germicidal UV Light Bulb - Single
Common Signs It's Your Ballast and Not Your Bulbs — 1000Bulbs Blog
LUXRITE 4 ft. 24-Watt Linear T5 LED Tube Light Bulb Ballast and Ballast Bypass Compatible 4000K Cool White Damp Rated (12-Pack) LR34158-12PK - The Home Depot
Replace 1 Lamp Rapid Start Ballast with 2 Lamp Rapid Start - El 101
SunStream 1000w Single Ended Grow Light Bulb with High PAR for Digital
Philips Advance Optanium 40-Watt (F40T12) 1 or 2 Lamp T8 4 ft. 120/277-Volt Instant Start Electronic Fluorescent Replacement Ballast 520445 - The Home Depot