Description:
DISCONTINUED - AE Tech ETSS Mini Bio Balls. Replacement Mini Bio Balls, small size for Reef Devil, Reef Devil Deluxe filters, and Evolution 500 downdraft protein skimmers.
Brand:
AE Tech (ETSS)
Product Information
DISCONTINUED - AE Tech ETSS Mini Bio Balls
Replacement Bio-Balls, small size for Reef Devil filters, 1/2 gallon.
These are the specific kind of bio-ball that work with our Reef Devil and Evolution line of Downdraft Skimmers
It is recommended that the Bio-balls be changed yearly or when a there is noticeable change in performance.
Bio Ball Chart
Skimmer Model Size of Bio Ball #of Bio Balls #of Towers