





























Recent Purchase
View All
Customer Reviews

Portable pH testing pen fish tank aquatic product testing pen
$3.75
Measurement Range:
0.00-14.00pH
Accuracy:
0.01
Quantity:
Add to Cart
Wishlist
Features
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.
See More