Neptune Systems Calibration Kit (ph 7.0, ph 10.0, Salinity 53000uS) - Neptune Systems $5.95 Neptune Systems single-use pH calibration packets make calibrating your probes simple and fast. Just tear open the top, and a stick your probe into the solution when performing the calibration procedure. This kit contains One each of PH 7, PH 10,... Add to Cart
Hanna Instruments HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments $38.00 The HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Checker. The redesigned Checker now offers automatic calibration to one or two points, automatic buffer recognition,... Add to Cart
Hanna Instruments pH 7.01 Calibration Buffer 20 ml (Single Pack) - Hanna Instruments $1.49 HI70007P is a premium quality pH 7.01 calibration buffer solution. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line of calibration buffers have... Add to Cart
American Marine PINPOINT pH Probe Lab Grade Double Junction - American Marine $39.99 The PINPOINT® pH Electrode equals and exceeds lab quality by both specifcation and design. The PINPOINT® pH Electrode has been designed as the most rugged, precise and full-featured probe offered to both the clinical lab and aquaculture... Add to Cart
Hanna Instruments Waterproof Pocket pH Tester with 0.1 Resolution - pHep® (HI98107) - Hanna Instruments $48.00 The HI98107 pHep® is an easy-to-use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0.1 resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device... Add to Cart
Red Sea MCP Test Kit Marine Master Care - Red Sea $74.99 Easy-to-use tests for the accurate monitoring of all of the important parameters during the biological maturation of marine and reef aquariums NH3/NH4 | NO3 | NO2 | pH | KH Red Sea Marine Care Test Kit is Complete multi-test pack including all of... Add to Cart
Hanna Instruments PH Calibration Buffer (Combo Pack) 4.0, 7.0, 10.0 - Hanna Instruments $5.75 HI70004P/H17007P/HI0010P are premium quality pH 4.01/7.01/10.01 calibration buffer solutions. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna’s line...