Orcon EARTHWORMS (½ cup, 150-300 Worms in various life stages) ventilation and ducting TDS readings are performed by

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

Clean your grow room

All The Zenport replacement parts are compatible in performance and design with equivalent Japanese industry standard models

The use of ultra-high frequency DE ballasts should be avoided

Orcon EARTHWORMS (½ cup, 150-300 Worms in various life stages) ventilation and ducting TDS readings are performed byEarth worms, as they cultivate and feed, swallow great quantities of soil, digest it, extract its food value and expel the residue as worm castings. These worm castings are 5 times richer in the nutrients necessary for maximum plant growth and production than the soil they ingested. Just as important, these worms, commonly known as red wigglers and technically known as Eisenia fetida, are one of the most effective agents for loosening and aerating the