Alfred Air Pump 4 Outlet 540L/H Diffusers The built-in solid-state electronic ignition

The built-in solid-state electronic ignition module creates a spark to light the burners

is designed to resist breakage in most normal aquarium situations

at the same time

Elevated atmospheric CO2 levels show remarkable increases in plant growth productivity

There are absolutely no harmful PGRs (plant growth regulators) in this – or

Alfred Air Pump 4 Outlet 540L/H Diffusers The built-in solid-state electronic ignitionAlfred Hydroponic Air Pumps are the perfect choice for providing fresh oxygen to your hydroponic growing system. Good aeration is absolutely necessary as it promotes nutrient uptake and aids in the growth of beneficial organisms. Aerating the nutrient reservoir will also help maintain a consistent temperature while discouraging the growth of algae, bacteria, and other pathogens. The steady air output pressure can be fine tuned using the power