Hoffman Fir Bark 2.2lbs Books Biological food source and buffering

Biological food source and buffering agent

this creates the potential for electricity to move through a solution

It’s recommend changing your lamps after 10

Soluble Potash (K2O)

The Slabs are easy to use just cut holes in the top of the slab set your cubes on top and cut a few slits in the bottom of the slab's plastic for drainage

Hoffman Fir Bark 2.2lbs Books Biological food source and bufferingHoffman West Coast Fir Bark is a premium grade, natural bark mulch sourced from fir trees native to the West Coast. Ideal for both indoor and outdoor use, this decorative bark enhances the appearance of potted plants, garden beds, and landscaping while improving soil health. It helps retain moisture, regulate soil temperature, and reduce weed growth. Fir bark is also an excellent component in custom potting mixes, especially for orchids, succulents,