{"title":"Bluelab","description":"\u003cp\u003eShop Bluelab pH and conductivity pens, combo meters, the Guardian Monitor, replacement probes, probe care kits and pH and EC calibration and storage solutions for accurate nutrient monitoring.\u003c\/p\u003e","products":[{"product_id":"bluelab-ph-pen","title":"Bluelab pH Pen - Handheld pH and Temperature Meter for Nutrient Solutions","description":"\u003cp\u003eThe Bluelab pH Pen is a compact meter for quick and easy pH and temperature readings in solution. Accurate pH measurements help you manage crop health and keep nutrient uptake on track. 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