Hydrofarm Precision Pruner Environmental Controllers Primo TDS uses a single

Primo TDS uses a single button at the top of the meter

Adjustable pressure dial

• High quality nutrient probe

(This product replaces Hydro-Organics "Fulvic")

Heavy duty insulating material reduces air flow noise

Hydrofarm Precision Pruner Environmental Controllers Primo TDS uses a singleThese are the classic Hydrofarm pruners, favored by thousands of horticulturists from weekend gardeners to professional growers and flower trimmers. They feature razor sharp stainless steel blades, perfectly balanced construction and a lightweight, ergonomic design. Discover why so many growers prefer our pruners to all others, including "Brand F"! Features Right or left handed use Surgical stainless steel holds a sharp edge longer Ergonomic design