null

pH

Filters
  • HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

    HI98103 Checker pH Tester with 0.1 pH Resolution - Hanna Instruments

    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,...
  • PINPOINT pH Probe Lab Grade Double Junction - American Marine

    PINPOINT pH Probe Lab Grade Double Junction - American Marine

    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...
  • Checker Plus pH Tester (HI98100) Plus  - Hanna Instruments

    Checker Plus pH Tester (HI98100) Plus - Hanna Instruments

    Hanna Instruments

    $48.00
    The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has...
  • pH 7.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 7.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    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...
  • pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    pH 4.01 Calibration Buffer 20 ml (Pack of 25) - Hanna Instruments

    Hanna Instruments

    $29.00
    HI70004P is a premium quality pH 4.01 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...
  • Master Liquid Test Kit - Fritz Aquatics

    Master Liquid Test Kit - Fritz Aquatics

    Fritz Aquatics

    $36.74
    Perfect for starting a new system Includes 4 Essential Test Kits Accurate in both Fresh and Saltwater About Fritz Liquid Test Kits - Master Test Kit Fritz Aquatics Master Test Kit contains four essential test kit formulas in...