*For detailed information on each item, please click on their links (above), or, to view more products from Hanna Instruments, please click here.
|Seawater Alkalinity Range||0.0 to 20.0 dKH|
|Seawater Alkalinity Resolution||0.1 dKH|
|Seawater Alkalinity Accuracy||±0.3 dKH ±5% of reading (@ 25°C/77°F)|
|Seawater Alkalinity Method||colorimetric method, LED @ 610 nm|
|Calcium, Marine Range||200 to 600 ppm|
|Calcium, Marine Accuracy||±6% of reading ( @ 25°C/77°F)|
|Calcium, Marine Method||adaptation of the Zincon method, LED @ 610 nm|
|pH Range||0.0 to 14.0 pH|
|pH Resolution||0.1 pH|
|pH Accuracy||±0.1 pH|
|pH Calibration||Automatic, one or two points|
|pH Temperature Compensation||automatic from 0 to 50°C (32 to 122°F)|
|Phosphorus Marine ULR Range||0 to 200 ppb|
|Phosphorus Marine ULR Accuracy||±5 ppb ±5% of reading (@ 25°C/77°F)|
|Phosphorus Marine ULR Method||adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic-Acid method, LED @ 525 nm|
Hanna Instruments USA Aquarium Supplies
Hanna Instruments is a leading manufacturer of analytical aquarium instrumentation. They were founded in 1978 and are headquartered in Woonsocket, Rhode Island. When Hanna introduced pH Electronic Paper in 1986 it literally revolutionized the world of testing by allowing millions of people in various industries to test for pH in a simple, accurate and affordable way. Hanna employees are constantly challenging themselves to improve on existing technology and to invent new testing techniques with the common goal to simplify analytical testing. This applies not only to instrumentation, but also to sensors development, reagents and chemicals. Hanna also believes in controlling the quality of their products from inception to delivery so they manufacture everything themselves, from meters and electrodes to chemical reagents and buffer solutions.
Most orders under $39 ship for only $5.99 using a mix of economy shipping methods including UPS Ground, USPS First Class, and/or SurePost. Your order will be delivered in up to 7 business days after it ships out.
We ship 99% of the products we carry for free within the contiguous United States using a mix of economy methods including USPS First Class Mail, SurePost and UPS Ground. Your order will arrive in up to 7 business days. Just spend $39 or more!
Over 90% of shoppers receive their orders within 1-2 business days. Upgrade from free economy shipping to faster shipping for only $5.99—or spend $250 and we'll upgrade you automatically!
Expedited shipping services are available for most products if you are in a hurry. Get guaranteed delivery in 2 business days, 1 business day, or next day by 10:30 am. Costs vary by location.
Same-day shipping is available Monday-Friday for most products—place your order by 10:30 am PST. Pre-ordered and back-ordered items do not qualify, nor do drop-shipped, live, or frozen shipments.
We ship live plants, live foods, and frozen foods within the contiguous United States. Each of these categories is subject to its own $19.99 flat-rate shipping fee to cover the special packaging and/or expedited shipping costs required to ensure safe delivery. Orders with 12+ live plants ship free!
Return any new and unused item within 60 days for a full refund. Having difficulty with a product? Contact us to speak with an aquarium expert. If you need a replacement, fill out this form.
A small segment of the 180+ brands we carry require that customers contact them directly if/when problems arise. You can view the full list of those brands and get their contact info here.
We are unable to accept returns of Digital Aquatics, Neptune Systems, Vertex Aquaristik, Aqua Illumination (AI), EcoTech Marine, GHL, or Seneye products once the manufacturer's packaging seals have been broken.
Marine Depot is an authorized reseller for every product we carry. That means when you buy aquarium supplies from us, your products are not only backed by our own 60-day return policy, they also carry full factory warranties, where applicable. Some items have a 1-year warranty, others have limited lifetime warranties. Warranty coverage varies from manufacturer to manufacturer, so please read the product description of the item(s) you are considering thoroughly for details or contact us if you have warranty questions.
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