High-Precision pH Test Pen for Aquariums & Fish Ponds
Ultra-accurate digital pH tester with 0.01 resolution for instant, reliable water quality readings. Durable titanium alloy electrode resists corrosion and extends lifespan. Compact, portable design fits tanks from nano to commercial ponds. Automatic temperature compensation (ATC) ensures accuracy in varying conditions. Simple one-button calibration with included buffer powders. Waterproof housing for safe use near aquatic environments. Ideal for freshwater/saltwater aquariums, hydroponics, and aquaculture monitoring. Backlit LCD displays clear readings even in low light. Ships pre-calibrated for immediate use. Bulk discounts available for fish farms, pet stores, and wholesalers. Trusted by professional aquarists worldwide.