Apera GroStar GS3 EC Pen FX14026 3 microns in diameter

3 microns in diameter

Cal-Mag Amplified

SLF-100 goes to work immediately to keep your system running smooth and free of toxic buildup

Neem Seed Meal is produced during the extraction of oil from the seed of the Indian neem tree (azadirachtin indica)

The Quest Dual 155s are plug and play

Apera GroStar GS3 EC Pen FX14026 3 microns in diameterAI11030 GroStar GS3 EC PPM Temp Pen Lab grade instruments designed specifically for growers! Includes: 2 year warranty (instrument) 1 year warranty (probe) 2. 77 EC calibration solution, 50 ml bottle Features: Measures conductivity EC, PPM (500), PPM (700) and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Titanium alloy sensor designed for high accuracy EC measurement Easy to use