Hydrofarm Precision Pruner and Scissor Sharpener Float Valves Rated at 20 micron with

Rated at 20 micron with a 16

Universal compatibility with all pH Perfect and non-pH Perfect nutrient lines

Simple gravity pressure is all that is required from a reservoir or waterbutt

protein-building amino acids

Hydrofarm Precision Pruner and Scissor Sharpener Float Valves Rated at 20 micron withThe Precision Blade Sharpener quickly sharpens your Hydrofarm Precision Pruners and all similarly sized pruners to original sharpness with a few easy strokes. With its ceramic stone inserts, non slip base, and comfortable ergonomic rubber grip, it makes the sharpening process nearly effortless. Works with all popular pruner brands (not compatible with bypass pruners). Also includes a bonus built in all purpose knife sharpener. Ceramic sharpening stone