Free Stuff

Make happy hour even happier with this salty pint glass! With a capacity to hold 16 ounces of your favorite brew, this clear pint glass is surely a crowd pleaser.

We’ve partnered with Kolar Labs to bring the best available aquarium carbon directly to consumers. Calgon Carbon’s CRYSTAL CAL granular activated carbon is true liquid phase activated carbon made for aquariums. This laboratory grade granular...

REEF-SPEC Carbon Highly activated carbon for marine & reef aquariums Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC™Carbon’s granule...

Keeps Floors Clean & Dry when your working on your tank.  We all splash water on the floor during water changes, fragging sessions or when we are just messing around in your tank.  The Cobalt Aqua Sponge Floor Mat is the ultimate addition...

Keeps Floors Clean & Dry when your working on your tank.  We all splash water on the floor during water changes, fragging sessions or when we are just messing around in your tank.  The Cobalt Aqua Sponge Floor Mat is the ultimate addition...

FREE SAMPLE ON ORDERS OF $20 or MORE   TDO Chroma BOOST is a granulated and pelleted fish and coral feed "top-dressed" with Haematococcus (which provides an excellent source of astaxanthin) for vibrant color and superior nutrition.  New...

ONE FREE ITEM PER ORDER.  THIS TANK STICKER IS FREE WITH ANY ORDER OVER $100.  JUST ADD $100 WORTH OF PRODUCTS TO YOUR CART AND THIS ITEM WILL BE FREE. Large Square Sticker is 5.35” x 6” on clear adhesive background. Size: 5...

Free on Orders of $50 or More! Whether you're at the grocery store or beach, chances are you'll spot tons reusable tote bags all over the place. As the world becomes more aware of their environmental impact, reuseable bag is where it's at.  Reduce,...

Acclimating fish and coral gives your new arrivals and fin up for living in your tank. Drip acclimating is less intensive on you and easier on the fish. This simple, yet effective drip acclimator is used around our office and by Mr. Saltwater Tank...

FREE ON ORDERS OF $2000 or MORE! The Basic Water Change Kit Includes: 1x - 5 Gallon Orange High Density Polyethylene Bucket ($5.00) 1x - Generic Refractometer ($24.95) 1x - JW Themometer ($5.95) 1x - Sicce Syncra Mulit 800 Pump ($31.47) 1x - 10'...

Acclimating fish and coral gives your new arrivals and fin up for living in your tank. Drip acclimating is less intensive on you and easier on the fish. This simple, yet effective drip acclimator is used around our office and by Mr. Saltwater Tank. 

Our SaltwaterAquarium.com measurement shot glass is perfect for dosing your aquarium supplements or yourself.  It offers acurate graduated measurements in teaspoon, tablespoon, ounces and milliliters. This glass measuring device can measure out...

The One and Only Original Flexfit in Red 98% Cotton/ 2% PU Spandex Mid Profile 3 1/2" High Permacurv Visor 6 Panels 8 Rows of Stitching Hard Buckram Black Undervisor

Cool Hanna Promo Sticker on White Background for Tank/Sump display.  Sticker measures 3.75" x 2"

FREE ON ORDERS OF $50 or MORE! Boyd Enterprises is proud to announce a revolutionary NEW addition to the Chemi-pure family, Chemi-pure Blue! Chemi-pure Blue is specially created for fantastic results in reef and marine aquariums. Our NEW proprietary...

FREE ON ORDERS OF $50 or MORE Coral Glue from EcoTech Marine sets a new standard for ease of use, curing time, versatility and durability. This coral glue features superior intermolecular bonding that sets underwater. Glue corals and rocks upright,...

Here's a Great Kit to help you get started with your new Aquarium. This kit includes: 1x - Bucket of Red Sea Coral Pro - Red Sea’s Coral Pro Salt contains biologically balanced, elevated levels of the foundation elements (Calcium, Magnesium,...

1 FREE RANDOM SAMPLE ROCK FREE WITH ANY ORDERS OF $20 or MORE   Real Reef Rock is a made of 100% natural marine friendly ingredients. Its components are made of the same building blocks which wild coral and living reef rock are composed of. The...

Cool Kessil Promo Sticker on Clear Background for Tank/Sump display.  Sticker measures 6" x 2"

Masstick is a blend of diverse, all natural, self-production, highly technical compounds, providing natural and balanced nutrition for omnivorous fish and marine invertebrates. Comprised of raw materials of marine origin. It does not contain...

ONE FREE ITEM PER ORDER.  THIS SAMPLE IS FREE WITH ANY ORDER OVER $20.  JUST ADD $20 WORTH OF PRODUCTS TO YOUR SHOPPING CART AND ONE OF THIS ITEM WILL BE FREE. Hand crafted in small batches at the Piscine Energetics' laboratory in British...

REEF-SPEC Carbon Highly activated carbon for marine & reef aquariums Red Sea REEF-SPEC™ Carbon is the ultimate choice for marine & reef aquariums due to its unique technical characteristics. Red Sea REEF-SPEC™Carbon’s granule...

Every copy by Julian Sprung!  Free on Orders of $1000 or More!   This book identifies algae that commonly bloom in aquariums, with photographs and descriptions of their life history. Specific recommendations offer ways to control the algae...

We at SaltwaterAquarium.com love to support local fish stores, local aquarium related events, frag swaps, club meetings, marine research, conventions, contests, giveaways, you name it.  If your looking for donations please use this form to submit...

FREE WITH ANY ORDER.  JUST ADD TO YOUR CART WITH MERCHANDISE AND IT WILL BE FREE. A Business Card sized reference card for the most common aquarium parameters. 

Fritz ProAquatics Reef Pro Mix (RPM) is manufactured using only the highest quality raw materials. Formulated by researchers and marine scientists, RPM contains all of the necessary major and minor elements of natural sea water that are utilized by...

Foundation Pro Multi test kit High accuracy titration tests for the accurate measurement of theFoundation elements Calcium, Magnesium and Alkalinity (KH) It’s all in the balance Red Sea’s FOUNDATION PRO Multi Test Kit includes high...

ONE FREE ITEM PER ORDER.  THIS TANK STICKER IS FREE WITH ANY ORDER OVER $50.  JUST ADD $50 WORTH OF PRODUCTS TO YOUR CART AND THIS ITEM WILL BE FREE. Sticker is 2.75" by 2.75" on clear adhesive background.  3x Maximum Per Customer.

It is designed for testing the concentration of salt water and brine and used for quality control in research and clinical laboratories and marine industry. Its scale provides a direct reading of the specific gravity and concentration (part per Thousand)...

Super nutritious Natural Red Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish. Size:   12g (0.4 oz)

Super nutritious Natural Purple Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish. Size: 12g (0.4 oz)

Super nutritious Natural Green Seaweed. Ideal for marine herbivores such as Tangs and Surgeonfish, Moorish Idols, Parrotfish, Angelfish, large Butterflyfish, and herbivorous freshwater fishes, such as Cichlids and Goldfish. Size: 12g (0.4 oz)

The Crossover Diet from Neptune Systems is a new type of food that was designed specifically for coral reef tanks and specifically for automatic feeding systems. Working closely with Reed Mariculture (the manufacturer of Reef Nutrition foods) we came up...