Anjon Manufacturing Air Diffuser Discs Size:8" Diameter while the other systems are

while the other systems are set up for 3/8" airline

use either a DO meter or an indigocarmine test

Get the same powerful algae deterrent power of concentrated barley straw plus the benefits of organic peat extract

magnetically coupled

Anjon Manufacturing Air Diffuser Discs Size:8" Diameter while the other systems areAnjon disc shaped airstones are specifically meant for 3 8" weighted airline tubing, These airstone pairs very well with the Anjon 3 8" weighted airline and LifeLine Air Pumps. The 5" airstone pairs best with smaller systems, while 8" airstones pair best with LL 45 or larger pumps. The ADD 5 is recommended for up to 20 liters of air per minute and the ADD 8 is recommended for up to 35 liters of air per minute. SKU UPC Code Description ADD 5