10x40' Protective Underlayment Keystone Koi Pellets Diffusers have 1/2" MPT connection

Diffusers have 1/2" MPT connection

Feed spring and fall when water temperatures are between 50 & 60F

UV bulb and quartz sleeve

Lava Rock tends to shred media bags

and maintenance instructions

10x40' Protective Underlayment Keystone Koi Pellets Diffusers have 1/2" MPT connectionThis product is a 5 ounce non woven geo textile fabric that provides additional tear and puncture protection for the PondGard EPDM Pond Liners. Use in areas where stones or roots pose a problem. Underlayment also improves soil stability and erosion control. Underlayment is available at a discounted price in 300 foot full rolls in widths of 5, 10 and 15 foot widths. Because of their weight and size, all full rolls ship via Motor Freight. Additionally,