Grodan Stonewool MacroPlugs (Case of 35 Bags) Canna Trishield was developed in conjunction

Trishield was developed in conjunction with our team of research scientists and verified for efficacy at a major University

fruit formation and fruit storage

Aphanomyces

Don’t forget to reuse your bags

which is available to the plants for up to 30 days after application

Grodan Stonewool MacroPlugs (Case of 35 Bags) Canna Trishield was developed in conjunctionMacroPlugs are 1. 5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro Block hole. For best results, always insert MacroPlugs in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.