BVV™ Molecular Sieve Beads Type 4A - 20LB house and garden soil 8 oz HPK and 1

8 oz HPK and 1

Professional pH controller especially designed for use with aquariums

L-Glycine and L-Arginine

6' power cord with on/off switch

LED CHIPS::Lumileds+Pro light

BVV™ Molecular Sieve Beads Type 4A - 20LB house and garden soil 8 oz HPK and 1Molecular Sieve Beads Type 4A This bag contains both blue moisture indicating molecular sieve and also normal molecular sieve. The blue molecular sieve is a sodium alumina silicate molecular sieve impregnated with an inorganic metal salt moisture indicator. The desiccant will perform as a 4a molecular sieve plus with the additional ability to visually determine when the molecular sieve reaches saturation. When active, the molecular sieve beads are