Indicating Molecular Sieve Beads Type 4A Select Size:10LBS do not reuse or refill

do not reuse or refill container

Particle Size: 40-63 Micron (230-400 Mesh)

Our Seed Starter Kit is American made so you know it will last for years into the future

and constant pH adjustments

A NEW SPIN ON CONCRETE

Indicating Molecular Sieve Beads Type 4A Select Size:10LBS do not reuse or refillIndicating Molecular Sieve Beads TYPE 4A (Blue) Description: 4A Blue Indicating Molecular Sieve is a porous, high capacity alkali metal aluminosilicate compound. Like non indicating 4A molecular sieve, our blue indicating 4A molecular sieve has 4 Angstrom sized pore openings that allow to adsorb all molecules adsorbed by 3A, molecular sieve, plus larger molecules like aromatic and branched chain hydrocarbons. Handling & Storage Recommendations: Store