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Kevin Costa

Sales and Marketing Representative - Aquarium Industry
Hanna Instruments, USA

Kevin used to operate an aquarium maintenance company and worked at local fish stores before working at Hanna. He is a passionate aquarium hobbyist who enjoys reef keeping and planted aquariums. He graduated New York University and received a graduate certificate in aquaculture from University of Florida specializing in fish health. Kevin may be reached at kcosta@hannainst.com or 401-450-6051.

Recent Posts

Why Does Aquarium Temperature Matter?

Aquarium temperature is often the first thing many home aquarium owners will test for and is critical for maintaining healthy metabolic functions in fish.

8 Best Practices for Using Your Hanna Marine Checker

There are many things that can negatively impact results when testing your aquarium. Find out how to prevent bad readings with these best practices.

Digital Testing for Saltwater Aquariums from Hanna

The Hanna Instruments Marine Checker Handheld Colorimeters produce accurate digital readouts for your aquarium's alkalinity, calcium, nitrite & phosphorus.

How to Test for Alkalinity (dKH or ppm) in Your Aquarium

Proper alkalinity is vital for coral calcification & skeletal formation; prevents pH swings, coral bleaching, & tissue loss; and improves equipment performance.

How to Test Calcium in Your Aquarium

Calcium should be checked weekly at minimum, and every time you add or remove any organisms from your tank.

How to Test for Phosphorus (Phosphate) in Your Aquarium

It's important to measure phosphates in a reef tank because if the levels get too high, it can prevent coral calcification or cause excessive algae growth.

How to Test for Nitrite in Your Aquarium

It's important to test for nitrite when an aquarium is first being set up and when the tank is being cycled to make sure waste is being properly recycled.

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