Stock up and save on test kits, filter media and more! Enter coupon code APISALE during checkout to save 10% on all API Fishcare products Sale ends TONIGHT @ midnight!

10% off ALL API Products Use coupon code: APISALE at checkout!

Each week during the month of August, Marine Depot and API are giving away a trio of cool API products! Here are the three prizes for Week 2: - API Saltwater Liquid Master Test Kit - API Phos-Zorb - API Algaefix Marine Registration for Week 2 ENDS this Sunday 8/17/14 @ 11:59 PM PST. CLICK...

Congrats to Tracy from Texas, the Week 1 winner of our API August to Remember Sweepstakes! We're shipping your prizes today. --------------------------------- Each week during the month of August, MD and API will be giving away a trio of cool API products! Here are the three prizes for Week...

We've teamed with API to present saltwater aquarium owners with an August to Remember! Each week during the month of August, MD and API will be giving away a trio of cool API products. To enter, simply like API and Marine Depot on Facebook and enter your email address here so we can contact...

Each week during the month of August, Marine Depot and Aquarium Pharmaceuticals (API) will be giving away a trio of cool API products! To enter, simply like API and Marine Depot on Facebook and enter your email address here so we can contact you. That's it! Here are the three prizes for Week...

so, my nitrates have been slowly going up for a month or two now, not sure why, I do water changes and it still tests out at about 10, it was 0 for a long time. I bought a new test kit and just tested my water with both the old and the new kit, and the old kit came out between 10 and 15 (just...

Just tested my calcium for the first time in a couple weeks and it came up off the charts...literally. I am using a test kit (that has always given me ~400 readings in the past) from Aquarium pharmaceuticals. It is not outdated, I checked. It is a color-change drop kind of test. Their chart...