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MAMMOTH P is specifically designed to increase phosphorus availability during the bloom phase and should be used as a supplement to your regular fertilization program. Application during clone and vegetative phase will boost effectiveness. Mammoth P has a
$47.77 $42.84
The HI1285-9 inline multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981421 GroLine Monitor to provide around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydr
$290.00 $254.99
HI7061-023 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eli
$16.50 $14.49
HI7004-023 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof
$16.50 $14.49
This versatile tool features ergonomically sculpted handles and fully hardened, precision-ground, steel blades that cut all the way to the tip and stay sharp through heavy use. Other features Include a power notch to cut light rope, wire and twine cutters
$21.99 $18.68
Precision blades cut all the way to the tip for clean, healthy cuts in tight spaces. Fully hardened, precision-ground stainless steel blades stay sharp. Awarded Arthritis Foundation's Ease of Use commendation. Easy action spring for ease of use. Soft grip
$16.99 $14.99
Non-stick coated, hardened bypass steel pruning blade reduces friction while the triple-grind saw blade cuts on the push and pull stroke for smooth, clean and healthy cuts. The non-slip soft grip handles on both tools reduces stress on your hands and the
$24.99 $19.82
Stack is a natural plant nutrient made from kelp extract. The nutrients in Stack encourage healthy growth and flowering. Stack gives the plant tools to reach its full genetic potential. When used as a foliar or root drench, Stack helps correct minor potas
$100.00 $90.00
