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We are Sorry! 
IMPORTANT INFORMATION regarding
our Marine Magnesium Checker® (HI783).


We know that you want answers! 

Some of our customers reported issues when using our Marine Magnesium Checker® (HI783). 

We at Hanna, took a deep dive into this problem. We gathered customer feedback and performed extensive testing in our laboratory.

After investigating, we determined that our reagents used in the Marine Magnesium Checker® test were the root cause of this issue.

We discovered that one of the chemical raw materials in the reagents has an unexpected degradation over time. This caused customers to experience high readings. 

The good news is we have a solution! Please complete this form to get your new reagents. 

We will send new reagents to our customers that purchased a Marine Magnesium Checker (HI783). The estimated ship date is 6-8 weeks due to production requirements. 

 

HI783-CheckerHC-Front-1200x1200-CCC

 

To our customers both near and far, we greatly appreciate your patience and understanding during this time. We apologize for any inconvenience that this has caused. We look forward to resolving this matter for you so that you can get back to what matters most, your reef tanks. 🐠

 

 


 

Here's How to Find Your Checker® Information:  

 Marine Magnesium Checker® (HI783) Serial #

Serialnumber

Located right on the back of the Checker®.