1-800-566-3474
Live Chat Support
    Free Shipping On $175+
  • FREE Shipping On $175+
  • 14-Day Low Price Guarantee
  • 14-Day Low Price Guarantee
  • Same Day Shipping
  • Same Day Shipping
FREE Shipping on
Orders Over $175
Standard ground shipping (1-7 business days) starts at a low $5.99 and most orders over $175 ship FREE. Learn More
 
If you find a product we sell for a lower price at another online store, we will match their price—today and up to 14 days after you've purchased the item! Learn More
 
Same Day Shipping
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 6 pm EST ship the same day! Learn More
 
Search Results for Saltwater Aquarium Supplies
Show: per page
Grid View Grid List View List
Sort by:
26 - 50 of 1226
Kent Marine Turbo Strontium

Kent Marine Turbo Strontium

Description: TURBO STRONTIUM provides bio-available strontium for lush growth of purple, pink and green calcareous algaes, snails, hard tube worms and clams. Corals will open more and stay attached to their skeletons better, wit...

From $16.49
Plastic Hose Clamp

Plastic Hose Clamp

Plastic Hose Clamp for 1/2" I.D. Tubing **Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Low Price...

From $0.99
Seachem Laboratories Renew

Seachem Laboratories Renew

SeaChem Renew is ideal for use in systems where phosphate released from all activated carbons poses a problem. Renew is also less aggressive than carbon, making it well suited for reefs and planted aquaria. It is also beneficial f...

From $9.99
Seachem Laboratories Stress Guard

Seachem Laboratories Stress Guard

Seachem StressGuard™ is the premium slime coat protection product. StressGuard™ will reduce stress and ammonia toxicity whenever handling or transporting fish. StressGuard™ binds to exposed protein in wounds to promote healing of ...

From $11.99
American Marine Pinpoint pH Calibration Fluid

American Marine Pinpoint pH Calibration Fluid

American Marine PINPOINT High-Precision pH Calibration Fluids pH 4.000 +/- 0.002 These come in single-use plastic envelope packets, and they are extremely accurate and field portable. Each packet contains enough fluid for a compl...

From $0.99
Ultra-Flex PVC Pipe Tubing

Ultra-Flex PVC Pipe Tubing

Ultra-Flex PVC is 40% more flexible than standard flex pipe. Flexible PVC can simplify your plumbing as it allows you to bend and curve around pumps, filters and other obstructions. It retains its large inside diameter and helps ...

From $1.49
Seachem Laboratories Reef Calcium

Seachem Laboratories Reef Calcium

Seachem Reef Calcium ™ is a concentrated (50,000 mg/L) bioavailable polygluconate complexed calcium intended to maintain calcium in the reef aquarium without altering pH (formulated at pH 8.2). Polygluconate complexation confers s...

From $9.49
Poly Filter

Poly Filter

The POLY-FILTER is for filtering and purifying both fresh and salt water aquariums. It is a formulation of a special patented material bonded to a synthetic matrix. By means of a unique proprietary process, the POLY-FILTER is made...

From $6.99
Aqua Medic Reducing Tee

Aqua Medic Reducing Tee

Aqua Medic Reducing Tee Fitting - 12mm Reducing Tee Fittings are used for the connection of by pass filters like the Nitratreductor and the Calcium Reactor. Airline-sized tubing can be attached to the tee to feed water to your ca...

From $9.99
Boyd Chemi Pure Elite

Boyd Chemi Pure Elite

Chemi-pure can be used with all water types as a chemical absorption filter and ion generator and exchange unit to positively keep pH at a perfect constant level. Also fantastic for use with African Cichlids and Discus! Needs repl...

From $9.99
Innovative Marine 200 Micron Filter Sock

Innovative Marine 200 Micron Filter Sock

Instantly improve your water quality with our pre-rinsed 200 micron filter socks. These highly durable mechanical filters help trap uneaten food, free floating particulate matter, micro-bubbles, and even dust from your aquarium. ...

From $6.99
Aquarium Pharmaceuticals Ammo-Carb

Aquarium Pharmaceuticals Ammo-Carb

A special blend of highly activated carbon - an economical filter carbon for the tropical fish hobbyist. Removes colors, odors & poisonous waste from fresh and saltwater aquariums. Can be used in all filter cartridges. Usage:...

From $7.49
Berlin Sump Filter Sock 100 Micron

Berlin Sump Filter Sock 100 Micron

Filter sock for Berlin filtration system. Can be used with the BS-1 sump, BS-2 sump or the Berlin Hang-On Acrylic mounts. 100 micron (smaller pore size, filters out more fine particulates). Inner Diameter: 3-9/16" Outer Diameter:...

From $8.49
Double Slip Bulkhead Fitting

Double Slip Bulkhead Fitting

Part#: 270576 Size: 1/2" Hole Size: 1 1/8" This bulkhead is slip both the front and back. A PVC pipe (or other slip PVC fittings) can be glued into either end of the bulkhead. **Variations of this product can be fou...

From $4.99
Replacement Cup O-Ring for AquaMaxx Protein Skimmer

Replacement Cup O-Ring for AquaMaxx Protein Skimmer

Replacement Cup O-Ring for AquaMaxx AM100, EM100, ConeS CO-1 and ConeS-HOB Protein Skimmers

From $1.99
ATI Blue Plus T5HO Fluorescent Bulbs

ATI Blue Plus T5HO Fluorescent Bulbs

Combines the properties of a blue bulb (approximately 460nm) with an actinic bulb (approximately 420nm) producing an intense blue light with high PAR numbers and a light spectrum that encourages both bluing in SPS corals and fluor...

From $18.99
Seachem Laboratories Purigen

Seachem Laboratories Purigen

SeaChem Purigen is a premium synthetic adsorbent that is unlike any other filtration product. It is not a mixture of ion exchangers or adsorbents, but a unique macro-porous synthetic polymer that removes soluble and insoluble impu...

From $8.49
Double Threaded Bulkhead Fitting

Double Threaded Bulkhead Fitting

Part#: 270900 Size: 1/2" Hole Size: 1 1/8" This bulkhead is threaded both the front and back. A MPT threaded fitting can be screwed in to either end of the bulkhead. **Variations of this product can be found in many onlin...

From $4.99
Aquarium Pharmaceuticals® API Bottom Feeder Shrimp Pellets

Aquarium Pharmaceuticals® API Bottom Feeder Shrimp Pellets

Sinking shrimp pellet formulated with seaweed to improve physiological conditions for better nutrient conversion, mussel for high palatability and additional protein sources and natural color enhancers.

From $5.99
Standard Threaded Bulkhead Fitting

Standard Threaded Bulkhead Fitting

Part#: 175141 Size: 1/2" Hole Size: 1 1/8" This bulkhead is threaded on the side that is flanged (where you screw in a strainer) and slip on the back side (where you can glue in a PVC pipe). **Variations of this product c...

From $4.99
CO2-Proof Tubing (per ft)

CO2-Proof Tubing (per ft)

CO2-Proof Tubing (Black) CO2-Proof Tubing - Normal airline tubing can lose up to 20% of CO2 through its membrane. Silicone tubing reacts w/ CO2 and render it less efficient (thus the silicone hardening over time under CO2 usage)....

From $0.99
0.5 Micron Carbon Block Replacement Filter for Captive Purity, SpectraPure & Kent Marine

0.5 Micron Carbon Block Replacement Filter for Captive Purity, SpectraPure & Kent Marine

1/2 micron carbon block prefilter - highly recommended replacement filter highly effective at reducing unwanted taste, odor, chlorine, fine sediments and pesticides. nominal 0.5-micron rating effective at reducing...

$13.49
E.S.V. B-Ionic 2-Part Calcium Buffer

E.S.V. B-Ionic 2-Part Calcium Buffer

B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkalinity levels with no mixing powders...

From $13.99
1 Micron Microtec Sediment Replacement Filter

1 Micron Microtec Sediment Replacement Filter

1 micron dual density gradient sediment filter—highly recommended due to longer life and cost effectiveness. Use with 1/2 micron carbon block filter  to fully prefilter water down to 1/2 micron. manufactured from 100% ...

$3.99
Filter Media Bag

Filter Media Bag

Filter Media Bag 4" x 8"—300 Micron (small pore size). Drawstring top for convenient usage.

From $5.49
26 - 50 of 1226
This item is temporarily unavailable but will be back in stock soon.

Item #
Price:
Click the Add To Cart button below if you'd like to reserve this item today. Any other items included in your order will be immediately processed and shipped. We will ship this item separately as soon as it arrives. We will not charge you for this item until it ships and you will incur no additional shipping charges.

Enter your email address in the field below and click the Notify Me button if you'd like us to send you an email when this item becomes available. Although you will be immediately notified when we have stock on hand, we will not reserve any units for you; you must return to our website and place an order.

Your Email:
Just enter your email address below and we'll let you
know when the product you are looking for becomes available!

Item Code:
Price:
Your Email:
Save Money Get our best deals, product how-tos and expert tips delivered weekly to your inbox.