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It can be used as a preventative measure to maintain optimum nutrient balance or as a corrective feed when deficiency symptoms appear
With a measurement range of 0–4000 µmol/m²/s
It features a rugged aluminium and nylon body with IP67-rated cabling
Constructed with double‑jacketed quartz glass and a precision ceramic arc tube
silent performance in demanding environments
Bluelab pH Pen Foliar It can be used asThe Bluelab pH Pen is a compact, professionalgrade tool for fast, accurate measurement of pH and temperature in nutrient solutions. Designed for everyday growers and hydroponic professionals alike, it ensures your plants receive the ideal pH range for optimal nutrient uptake and growth. Featuring a doublejunction pH probe, automatic temperature compensation, and a bright backlit display, the pH Pen delivers dependable readings in all growing