ONA Block 170 Gram Neutralizing Agent safers end all Imagine never having to go

Imagine never having to go to the hydro store for another bottle of pH Up or pH Down again

Mount your ballasts

reservoirs

Connecting inline fans to carbon filters

Designed for use with Dosatron injectors

ONA Block 170 Gram Neutralizing Agent safers end all Imagine never having to goIdeal for small enclosed spaces Permanently removes unwanted odours from the air Not a masking agent but genuine odour neutralisation agent Non Toxic Environmentally Safe Organic Safe to use around people pets and plant ONA Blocks can be used in conjunction with odour control ducts to neutralise odours in your ducting. Small Size, Large Performance The Ona Block 170 Gram is a small quiet workhorse when it comes to odour control. It can be put anywhere