Ruck 14'' Intake Filter Box with MERV 5 Mat Filter pH Adjusters 2g per joint at a

2g per joint at a 5-10% weight variance

Bluelab's EC/CF equipment does not need calibrating

The two(2) reels features a lock and variable tension drag to keep the hose from freewheeling and spilling to the ground

Step-Down Curing Use: Brings wetter contents toward a target gradually inside a sealed container

Please note: The Physan 20 instruction booklets state that Physan should not be used in "irrigation systems"

Ruck 14'' Intake Filter Box with MERV 5 Mat Filter pH Adjusters 2g per joint at aRuck 14" Intake Filter Box for Efficient Airflow Filtration Designed for optimal performance, the Ruck 14" Intake Filter Box is made from durable galvanized sheet steel that ensures minimal airflow restriction. This intake box includes an ISO Coarse 45% MERV 5 rated fiber mat filter, providing effective low intensity exhaust filtration. Its toggle type fastener allows for quick and secure access during filter changes. Ideal for use in grow rooms and