Omega Sea have taken their no-nonsense attitude toward making the highest quality of fish foods, and applied it to their 'Omega Star' line of top end metal halide and power compact fluorescent bulbs. Offering both straight pin and square pin arrangements in 10000K, Actinic, and 50/50 (10000K/Actinic) with outputs including 36/40 Watts, 55/65 Watts, and 96 Watts. You won't be disappointed with the incredible response you will see from your livestock upon using an Omega Star power compact bulb. For best results, replace your power compact bulbs every 6-12 months. The use of a light meter will allow you to monitor the performance of your lighting, making it easier to decide when to replace your bulbs.