Bio Ball BBAL40 Bio Ball 40mm, 1000 pcs Please login for pricing SKU: BBAL40 Category: Filter Media Description Brand Description – Improve water quality in aquarium and pond – Keep pH balance of the water neutral – Diameter : 40mm – 1000 pcs / box Brand Absolute Aquariums Related products Please login for pricingFilter MediaFilter Media Rod FM100 100PCS Please login for pricingFilter MediaPlastic Mat 100 x 200 x 4cm 5 sheets Please login for pricingFilter MediaNylon Filter Sock NFS1038 Please login for pricingFilter MediaFilter Media FM4525CA Please login for pricingFilter MediaMedClear COTTONROLL Out of Stock Please login for pricingFilter MediaCeramic Ring CR250