I am with Mac...every 2 harvests I change out...You for sure see loss of quality the longer you go. Plus there is nothing better than pulling a harvest on a brand new bulb...so beautiful and vibrant...
Jord0713 Reviewed by Jord0713 on . how many grows on a bulb? Sun systems 600 watt HPS that is into its second grow. How many grows should I expect out of this bulb before I should replace it with a new bulb? Rating: 5