Apera Instruments GroStar GS4-E Replacement pH/EC Combo Electrode Grow Light Hangers Their physical movement through the

Their physical movement through the growing medium breaks up soil and introduces beneficial bacteria and oxygen to stimulate fungal activity

heavy duty 2 CM aluminum heat sinks that dissipate heat much more efficiently than other LED lights

These microbes are very effective at mineralizing slow release fertilizers found in many ‘all in one’ water only soils

This 10-1 Kit Is Ideal For Deep Rooting Plants

Apera Instruments GroStar GS4-E Replacement pH/EC Combo Electrode Grow Light Hangers Their physical movement through theGroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Double junction structure uses blue gel electrolyte without the air bubble 1 year warranty