Soil Blocking Starter Kit Melnor Our Sodium Metabisulfite is NSF®

Our Sodium Metabisulfite is NSF® Certified

6CFM Corrosion Resistant Two Stage Vacuum Pump (recommended option)

Best Value Vacs Large Condensing Coil

This valve also has a 3/8" barbed connection with a stem to allow for a PTFE tubing (not included) to inject directly into the rotary flask

Exterior Dimensions (LxWxH) 28

Soil Blocking Starter Kit Melnor Our Sodium Metabisulfite is NSF®This item ships separately directly from our supplier partner and will arrive independently from other items in your order. Complete Soil Blocking Starter Kit Are you interested in getting started with soil blocking? Then you need the Soil Blocker Starter Kit to create perfect soil blocks every time! We have created a kit with everything you need to get started, including: (1) Mini 20 Blocker (1) 2" Blocker 4 Block with (4) 1 2" dowel pins (4) 3 4"