Hydrodynamics International Root Riot Cubes bag of 50 hydro-systems This system enables precise control

This system enables precise control of CO2 emissions

The GMC's remote combination probe features a highly accurate dual beam CO2 sensor

The House Mix is an excellent choice for greenhouse and indoor gardeners with a set of shortened vegetative stages and was designed to optimize light deprivation greenhouse growing

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Hydrodynamics International Root Riot Cubes bag of 50 hydro-systems This system enables precise controlDescription Product Details: Root Riot These plant starting cubes have a great spongy texture which retains an ideal air to water ratio for rapid root growth. Suitable for both propagating cuttings and starting seeds, Root Riot Plant Starter Cubes have been shown to consistently outperform alternative medias. In short, you can't go wrong by starting your seeds or sticking your cuttings in Root Riot Plant Starter Cubes! Bag of 50 cubes. Specifications