WIN a Dosetronic DC - Plus there is a new Mastertronic?!
Quick introduction to the upcoming Mastertronic Essential from Focustronic, an all new smart aquarium tester.
Plus your opportunity to win a Dosetronic DC smart doser to celebrate the announcement.
The competition is open to reefers WORLDWIDE, so don't be shy!
Grab your screenshot, post it on your social with your reason as to why a multi tester is a better idea than a single tester for your reef tank and then grab a screenshot of that and head to:
https://focustronic.com
to submit your entry!