Home Page Hydroponic Supplies Sitemap         Oakton Ultra Basic PH Tester The Oakton Basic is designed for the average hobby gardener who does not want to spend $300 on a ph monitor but does need an accurate way to measure ph. Here are just some of the benefits of the Oakton Basic Ph tester pen:• Waterproof, dustproof & floats • Automatic Temperature Compensation (ATC) • Replaceable electrode lets you reuse same meter body • Push-button three-point calibration • Hold function; auto-off; error messages • Auto buffer recognition • Certifiable to IP67 standards • Single junction • -1 to 15.0 pH CDN Price $79.00 US Price $75.05 Shipping to Canada (CDN $):  $9.00 Shipping to US (CDN $):  $15.00 * Please note shipping price is for ground transportation. * Please note your order will be charged in CDN funds. Add to Cart   Item Description Manufacturer: Oakton pHTestr Basic features a replaceable single-junction sensor with a recessed bulb to protect against breakage. The unit also offers single-point calibration with auto-buffer recognition for quick calibrations, self-diagnostic error messages, hold function to lock measured value, and auto-off to prolong battery life.   Note: The compact and economical pHTestr Basic is well suited for pool, spa, aquariums, hydroponics, cooling towers, food processing water testing, photo development, printing, and chemical industries. It can even fit educational budgets for use in school laboratories and ecological studies.