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Category Archives: Testing

Salinity Measurements in Aquariums

Salinity is one of the most widely tested parameters in saltwater aquariums. It is often the first parameter hobbyists test for as it is crucial in making artificial saltwater. As Kevin Costa from Hanna Instruments explains, there are many ways to measure salinity—but some are more accurate than others!


Vinny Altamirano Shares GHL’s Company History, Explains What Sets Their Aquarium Controllers and Dosers Apart From Competitors, and Teases a New Product to Control Calcium

We go deep with GHL’S Vinny Altamirano to find out the answers to important questions like “What does GHL stand for?” Vinny also shares what he thinks differentiates GHL from the competition and how aquarium controllers benefit fresh and saltwater hobbyists alike.


Does Your TDS Meter Measure Up?

A healthy aquarium begins with quality water. In this guest post from Kevin Costa of Hanna Instruments, we will dive deeper into understanding Total Dissolved Solids and Electrical Conductivity Measurements and the impact that these measurements can have on your RODI filters and your aquarium.


We Talk to Julian Sprung About His First Aquarium, Growing Algae To Filter Water, And The #1 Mistake Most Hobbyists Make

Julian Sprung is one of our favorite writers about all things aquaria. He co-founded a company you probably know called Two Little Fishies in 1991 to publish books about the hobby and create practical products many of us at Marine Depot use every day on our tanks.


How to Safely Medicate Sick Fish By Testing Copper Levels With The Hanna Copper Colorimeter Checker – Marine Depot Chats with Experts #1

Thinking of setting up a quarantine tank? We quiz Kevin Costa of Hanna Instruments about the technology that went into building the Copper Checker and how you can use it to monitor your quarantine so you don’t overdose or under medicate fish.


Get Ready for Trident by Upgrading Your Apex Classic Controller to the New Apex Base Unit

By upgrading to the latest Apex Base Unit, you can take advantage of all of the new and exciting modules, upgrades and equipment that Neptune Systems is developing, like Trident!


ATI Essentials and ATI Elements: What YOU Need to Know

ATI makes it easy to maintain ideal water parameters using their 3-part supplement solution, ATI Essentials. For optimal results, combine with ATI’s DP-6 doser, ATI Lab water testing, and ATI Elements.


The 7 Best Holiday Gifts to Give Yourself

You’ve been good this year. Really good. We actually peeked at Santa’s “nice” list and saw your name printed in bold lettering across the top. In short, you deserve a really nice gift.


5 Awesome (and Affordable!) Gifts for Reef Hobbyists

We’ve selected gifts that are economical and useful to anyone with a reef aquarium. If you’re already an aquarist and want to drop a gift hint, just pass this along as a helpful shopping guide!


Salifert Test Kits: What YOU Need to Know

There’s no better way to monitor water than testing it with a high quality and accurate test kit and Salifert has created the most extensive and popular line of saltwater and reef aquarium test kits available today.