Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter Microbe-Lift® Pond Bacterial Balancer offers

Microbe-Lift® Pond Bacterial Balancer offers the highest quality bacterial count and the highest treatment per ounce of any commercial spore-based bacterial product available today

Helix Super Strength Beneficial Bacteria is of the highest quality and contains electrolytes

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

Available in the following media types:

Internal re-circulation prevents overheating and ejects obstructing debris

Matala Hakko Self-Weighted Diffuser Discs Size:7" Diameter Microbe-Lift® Pond Bacterial Balancer offersMatala Hakko Self Weighted Disc Diffusers are EPDM air diffuser assemblies that feature weighted bases that help keep the diffusers anchored to the bottom and right side up. We recommend the MD 3W up to 7LPM, MD 5W up to 25 LPM, and the MD 7W to 40 liters of air per minute. Produces medium bubbles, reducing back pressure on the pump SKU Membrane Diameter Connection Net Weight MD 3W Silicone 3" 3 16" 0. 47lb MD 5W EPDM 5" 3 8" 2. 36lb MD 7W 7" 3 8" 3.