Portable pH Testing Pen for Aquariums & Aquatic Products
Precision pH meter with high-accuracy sensor (0.01 resolution) for instant water quality checks. Durable ABS housing with reinforced waterproof tip, ideal for freshwater & saltwater tanks. One-button calibration (4.0/7.0/10.0 pH buffers included) and auto-temperature compensation (0-50°C). Replaceable electrode extends lifespan – perfect for aquaculture, hydroponics, or pool maintenance. Compact pen design fits pockets/toolkits. Large LCD displays real-time pH levels. Ships pre-calibrated – ready to use straight out of the box. Bulk discounts available for commercial hatcheries/labs.