These great quality Air Stones aerate and add oxygen to the water in your reservoir or grow system. Circulates nutrients into the water and helps to maintain an even water temperature.
Designed to add oxygen and help circulate nutrition throughout system. Produce fine bubbles for oxygen replacement. Size: 1.8" x 1.8" Perfect for hydroponic systems, ponds, aquariums and other systems. Comes loose with no package. Use with 3/16 inch airline.
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