Pumice Blumat Pressure Reducers It achieves a 38mm charcoal

It achieves a 38mm charcoal bed thickness and wider mesh openings thanks to its higher microporosity and surface area rating

Includes a pressure reducer for connection to a mains water supply

Fully water-soluble

Runs from 230v main supply

Simplified Moisture Control with Hand-Calibrated Precision

Pumice Blumat Pressure Reducers It achieves a 38mm charcoalPumice Pumice is a sustainable volcanic rock that enhances aeration, improves drainage and supports long term soil structure. Washed and graded for consistent performance, its an ideal alternative to perlite or clay pebbles in living soils and custom blends. Available in two grades, our pumice is tailored for different stages of plant growth: the 38mm grade is used more heavily in final potting mixes for better aeration, while the finer 04mm grade is