Hurricane Pro Heavy Duty 20" Orbital Floor FanThe Hurricane Pro 20 inches Heavy Duty Orbital Floor Fan is a portable fan that takes up a small footprint. With a patented orbital internal gearset, the rotor of the fan blade oscillates a full 360 for maximum coverage in your selected space. This fan is ideal for homes, greenhouses, garages, workshops and other areas that may need a heavy duty floor fan. This fan is made rugged with all metal construction and a black powder coated finish. The fan

pH Temperature Compensation: none

Material: Polyester with uv protection

Drain connection: 3/4" FNPT (requires drain trap)

built to handle demanding grow environments

Sensor probes do NOT last forever and will eventually fail

The CO2 sensor can be easily re-calibrated and will continue to operate accurately for many years

The TrolMaster DSC-1 CO2 control / device module allows user the to easily connect and control standard supplemental CO2 devices or CO2 exhaust controls to the Hydro-x

or a coffee connoisseur

A built-in temperature sensor ensures that both pH and EC/TDS readings are compensated for temperature variations in both standards and samples

Plant tolerance to salinity

chemical additives and soil diseases

Athena Renew is a specialized blend of acids