hanna instruments

Hanna Instruments 7 in 1 Marine Checker/Photometer ^ ^ II II II II Has anyone had any experience with one of these? I know they are new to the market; I don't even know if they are released yet...

There are several threads accumulating on the forums of people having issues w/new marine magnesium checker HI783. There are also some similar reports on the AskBRS facebook page--results several hundred points higher. I wanted to start a thread here in Hanna Instruments sub-forum to give Hanna...

The long awaited High Range Nitrate Checker from Hanna Instruments is here and available for pre-order. With a measurable range of 0- 75.0 ppm it has never been easier to get an accurate digital read out for the Nitrate levels in your aquarium. If you have any questions about this new checker or...

Just recieved an email from Hanna Instruments introducing a new Hanna Checker! Any guesses? Or wishes? High range Nitrate Checker...

Limited initial quantities. Pre-order yours today! SHOP NOW! The HI781 Nitrate Checker HC by Hanna Instruments is a simple and accurate handheld colorimeter that uses the Beer-Lambert principle to determine nitrate concentration. The HI781`s low range of 0.00 - 5.00 makes it ideal for measuring...

Anyone use the Hanna Salinity Checker? I am having issues with mine. It was showing 25% battery left and err. So I replaced the battery, and still says 25% and err. Anyone have this issue? Know how to fix it? Help.

1-Day ONLY, RARE Hanna Instruments sale! SHOP NOW!

So I've just tested my Calcium with Hanna twice now and it's telling me a reading of 520... I was wondering if this could be why my tank water looks cloudy and my mushroom isn't as happy as he normally looks.

USING HANNA CHECKER HI-707 TO TEST FOR IODINE In my quest to improve my testing accuracy and precision I found the standard colorimetric tests for Iodine difficult to get any kind of accurate reading and the repeatability (precision) was not very good. Being that I dosed Iodine this made me...

No purchase necessary, but lots of ways to enter - for R2R members only! One winner only. The winner receives a new Hanna HI98319 Salinity Tester Learn more about this product here: Ways to be entered: PLEASE post in this thread when you have qualified for any entry in any category below...

Hanna Checkers and ESV B-Ionic Giveaway - 24 HOURS ONLY We are having a giveaway on Facebook today 3/7/19 and will choose 1 winner tomorrow 3/8/19. There is no purchase necessary to enter or win. You must be a U.S. resident age 18 or older to participate. ENTER NOW >

How to Use Hanna Checkers to Dial In Your 2-Part Dosing Regimen VIDEO: A beginner’s guide to maintaining calcium & alkalinity

I have grown tired of not having a probe holder for the checktemp .... there is no storage on the device for the probe or the 6 ft cord . I took the spare red cap from a brs super glue bottle and carefully cut out the center sanded it a bit and rubbed with alcohol and lightly sand the check...

Hello, I've looked online for a retailer here in Kuwait and tried to email/call (Tectron) without any luck. I'm wondering if i do have any option for international shipping/ordering to Kuwait City (44006)? I did purchase Alk checker from a seller on amazon to hopefully get it soon, but any...

For sale is a Hanna ultra low range phosphate checker. It’s in good working order and comes with 2 glass viles with caps , the Hanna checker , and half of box of reagent.

Marine Depot is excited to announce we've teamed with Hanna Instruments and Reef2Reef to MAKE TESTING EASY! 1 winner will be randomly selected on April 6 to receive a Reef Professional Kit and Digital Seawater Refractometer — a $410 value! It's super-duper easy to enter and YOU CAN ENTER UP TO...