Black Tubing Vinyl -- 5/8 inch ID, 0.775" OD -- 100' Roll 3 Foot Fixtures That color change is normal

That color change is normal and shows healthy growth

This is the largest capacity stocked here

Watch the bag shift from tan to white as the mycelium matures

Please review the basic installation drawing for recommended accessories

It matters even more on well or spring water

Black Tubing Vinyl -- 5/8 inch ID, 0.775" OD -- 100' Roll 3 Foot Fixtures That color change is normal5 8in Black Vinyl Tubing for Reservoir and Pump Lines Clear tubing on a reservoir line greens up with algae within weeks and starts feeding clogs into the pump. This black tubing shuts that down, blocking light so nothing grows inside the wall. Its food grade vinyl carries water and nutrient solution safely, in FDA approved, BPA free material. At 5 8 inch inner diameter and 0. 775 inch outer, it slips onto standard 5 8 barbs and pump ports. A grower