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
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
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
Athena Grow is a simple and clean formula designed for the vegetative stage of growth and for non-flowering plants. Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis, healthy respiration, and robust sta
$45.00 $38.24
Athena Cuts Rooting Gel is a premium rooting gel formulated to propagate new plants from stem and leaf cuttings of mother plants. It is formulated with an essential plant hormone that promotes rapid root generation and growth.
This water-based gel coats
$44.99 $36.99
Athena CaMg is designed to supplement either of our 2-part liquid formulas. Some cultivars and growing conditions may require higher doses of Calcium, Magnesium, Iron and Nitrogen during heavy growth and development phases. This product effectively correc
$200.00 $115.99
Athena Bloom is a simple and clean 2-part formula designed for the flowering stage of growth for fruit and flower-producing plants. We blend top of the line macronutrients and chelated micronutrients to achieve greater nutrient uptake ability across a wid
$38.24
Athena Balance is a simple formula of potassium silicate specifically concentrated to buffer irrigation water and stabilize to ideal pH. Silicon additionally benefits plant growth, stem structure, stress reduction, water usage (osmoregulation), and nutrie
$200.00 $115.99