Pay in 4 interest-free payments of $17.25 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
ALSO NON-PLANT FOOD INGREDIENT: 1% Humic acid (derived from Lignite)
Active Eye Color-Correcting LED Grow Room Lenses exceed US FDA Reg
making sure plants never go thirsty
The sidewalls on these versatile hydroponic grow trays are 4
General Hydroponics pH Test Kits make pH testing easy
Apera GroStar GS4-E Replacement pH/EC Combo Electrode Root Innoculant ALSO NON-PLANT FOOD INGREDIENT: 1%AI58040 GroStar GS4 E replacement pH EC combo electrode Measures pH, conductivity (EC and PPM) and temperature Combo probe built with lithium glass membrane and titanium alloy to ensure high accuracy and durability Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance double junction structure uses blue gel electrolyte without the air bubble 1 year warranty
US$ 32.00
US$ 45.00
US$ 29.00
US$ 34.00
US$ 40.00
US$ 22.00
US$ 10.00