Apera Instruments provides scientific electrochemical instruments and sensors for measuring pH, ORP, conductivity, TDS, salinity, dissolved oxygen, turbidity, and ISE with our industry-leading technologies, quality control system, and customer service. They are really good pH, EC and combo meters A-Grade Hydroponics highly recommends them over other brands. Their Customer service is unparalleled. If you're using a hydroponics system or an aquaponics system these pens and meters will come in handy when measuring your hydroponic nutrient tank they are very accurate and you can trust them.
Apera Instruments provides scientific electrochemical instruments and sensors for measuring pH, ORP, conductivity, TDS, salinity, dissolved oxygen, turbidity, and ISE with our industry-leading technologies, quality control system, and customer service. They are really good pH, EC and combo meters A-Grade Hydroponics highly recommends them over other brands. Their Customer service is unparalleled. If you're using a hydroponics system or an aquaponics system these pens and meters will come in handy when measuring your hydroponic nutrient tank they are very accurate and you can trust them.