Pay in 4 interest-free payments of $17.25 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Say goodbye to spider mites
It is great for low K soil
Make your nutrient solution easy to manage with the GroLine Monitor
General Hydroponics pH Test Kits make pH testing easy
Apera GroStar GS4-E Replacement pH/EC Combo Electrode Root Innoculant Say goodbye to spider mitesAI58040 GroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance double junction structure uses blue gel electrolyte without the air bubble 1 year warranty
US$ 67.00
US$ 104.00
US$ 159.50
US$ 55.13
US$ 120.75
US$ 166.00
US$ 197.00
US$ 143.00
US$ 54.00
US$ 60.00
US$ 44.00