FloraFlex 15.5''-18'' Matrix (12 Pack) bloom nutrients TDS readings are performed by

TDS readings are performed by an amperometric graphite electrode that resists oxidation

Once you are done using the extra space simply Roll-UP the fabric for a more compact bag

Improved reliability

Cobalt (Co)

economical solution for Dosatron users and growers who perform maintenance on a regular schedule

FloraFlex 15.5''-18'' Matrix (12 Pack) bloom nutrients TDS readings are performed byThe FloraFlex Matrix System is a patent pending first of its kind Top Feeding Wicking System that provides the most even way to deliver water and nutrients to your potted plants. It can be used with pots ranging from 7. 5'' 18'' Diameters. You will need a Matrix unit, the same size Matrix Pad (optional), and the correlating Matrix Circulator.