Bluelab pH Probe nutrients by brand/ athena The humidistat allows you to

The humidistat allows you to set a desired humidity giving you control of this important environmental factor

500 gram Replacement cartridge for the Sulfume Hot Box Sulphur Generator

Its robust housing is constructed largely from stainless steel

The second generation of Master controllers features improved and expanded functionality that raises the bar:

Bluelab pH Probe nutrients by brand/ athena The humidistat allows you toA replacement probe for Bluelab Combo and pH Meters as well as the Bluelab Guardian Monitor. The Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with Bluelab products that test the pH value of a solution. Unfortunately pH Probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip wet and cleaning once a month) you will extend its life. The Bluelab pH Probe