Atlantic Bio-Rock Media direct drive 5” socket fittings and 2”

5” socket fittings and 2” bore holes

without dismantling the nozzle assembly

5” and 2” and is best used with the ECOBLOX-SMALL

It’s best used with Pond-free and Fountain installations and is best used with the PV7500

MPN: SF01

Atlantic Bio-Rock Media direct drive 5” socket fittings and 2”MPN: 73987 High surface area provides the optimal environment for beneficial bacterial colonization With all of the surface area but 25% less weight than lava rock and half the weight of gravel, expanded clay Bio Rocks are the more stable, less abrasive alternative to heavyweight bio media Expanded clay is a lightweight, stable, and less abrasive alternative to lava rock and gravel Durable and easy to clean Use one box of Bio Rocks per BG2234 Media