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:
301 - 325 of 402
Salifert KH & pH Buffer

Salifert KH & pH Buffer

About KH + pH Buffer It is a highly concentrated, fast dissolving powder which increases alkalinity (carbonate hardness) and stabilizes the pH at the correct value. In these ways it contributes significantly to the health of all...

From $10.99
Continuum Aquatics Reef-Basis Captiv Phos Fe Granular Ferric Oxide GFO Phosphate Adsorber

Continuum Aquatics Reef-Basis Captiv Phos Fe Granular Ferric Oxide GFO Phosphate Adsorber

Captiv•Phos Fe Description: Ferric Phosphate & Silicate Removal Media Features: • Highly activated ferric oxide phosphate removal medium • Particularly selected for use in marine systems and soft FW systems • Will no...

From $12.99
Spears Union Fitting - Female Pipe Threading (FPT)

Spears Union Fitting - Female Pipe Threading (FPT)

Spears® Schedule 40 PVC fitting designs combine years of proven experience with computer generated stress analysis to yield the optimum physical structure and performance for each fitting. Material reinforcement is uniformly place...

From $5.49
Kent Marine ChromaMax 30 mL

Kent Marine ChromaMax 30 mL

Super-Concentrated Phytoplankton Suspension for Filter Feeding Invertebrates Type: Marine Supplement Size: 1oz Description: A highly-concentrated blend of aquacultured, naturally-occurring phytoplankton, rich in protein, ...

$13.99
San Francisco Bay Brand Freeze Dried Bloodworms

San Francisco Bay Brand Freeze Dried Bloodworms

Also known as Red Mosquito Larve. Your discus, eels, betas, loaches and other community freshwater fish will thrive on this primary food. Choice for community tanks. Bloodworms are a natural product that may cause allergic reactio...

From $10.99
Continuum Aquatics Reef-Basis Magnesium Dry Form

Continuum Aquatics Reef-Basis Magnesium Dry Form

Reef•Basis Magnesium Description: Dry Magnesium Supplement for Marine Aquariums Features: • Provides bioavailable magnesium for corals and other invertebrates • Helps maintain pH and KH control in marine aquariums ...

From $8.49
Eheim Replacement Filter Pad for Eheim Aquastyle Aquarium Filter - 2 Pack

Eheim Replacement Filter Pad for Eheim Aquastyle Aquarium Filter - 2 Pack

Replacement filter pad for Ehiem Aquastyle 16/24/35 filters

$10.49
Eheim Pump Cover for 1048 / 2048

Eheim Pump Cover for 1048 / 2048

Eheim Pump Cover for 1048 / 2048. Cover only! O-ring not included.

$10.49
E.S.V. Strontium Chloride Solution 16 oz.

E.S.V. Strontium Chloride Solution 16 oz.

Strontium Chloride Solution is a very pure and concentrated form of strontium, free of phosphates and nitrates. The aquarist should be aware that Strontium Chloride does not add bicarbonate and carbonate ions to the system. Since ...

$10.99
Pressure Gauge Only: 1/8 inch NPT

Pressure Gauge Only: 1/8 inch NPT

Pressure guage for easy troubleshooting. 1/8" NPT **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...

$14.99
Red Sea Magnesium Pro Test Kit - Reagent Refill Kit

Red Sea Magnesium Pro Test Kit - Reagent Refill Kit

Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm. Reagent Refill Kit Only - Includes reagents only to perform 100...

$14.49
Continuum Aquatics Reef-Basis Captiv Phos W Granular Phosphate Adsorber

Continuum Aquatics Reef-Basis Captiv Phos W Granular Phosphate Adsorber

Captiv•Phos W Description: Activated Phosphate & Silicate Removal Medium Features: • Highly activated phosphate removal medium • Particularly selected for use in marine systems and Freshwater systems • Will not...

From $13.49
Eheim Prefilter for Wet/ Dry Filter 2227/2229

Eheim Prefilter for Wet/ Dry Filter 2227/2229

Prefilter for Eheim Professionel Wet/Dry Filter 2227/2229

$11.49
Salifert Trace Hard

Salifert Trace Hard

The importance of trace elements By trace elements we usually mean elements that are present in natural seawater in a concentration lower than approx. 1 mg/L or ppm. Some of these elements are essential to make many biological p...

From $12.99
Brightwell Aquatics Elemental - Dry Reef-Building Complex for Corals, Clams, etc.

Brightwell Aquatics Elemental - Dry Reef-Building Complex for Corals, Clams, etc.

Overview Contains calcium, strontium, and magnesium in the same ionic ratios found in aragonite. This unique feature increases the usefulness of Kalk+2 to reef-building invertebrates such as corals, clams, calcareous algae, e...

From $13.49
Salifert Trace Soft

Salifert Trace Soft

The importance of trace elements By trace elements we usually mean elements that are present in natural seawater in a concentration lower than approx. 1 mg/L or ppm. Some of these elements are essential to make many biological p...

From $11.99
CPR Replacement Inlet For BakPak, Dual BakPak & All Hang-On AquaFuge Refugiums

CPR Replacement Inlet For BakPak, Dual BakPak & All Hang-On AquaFuge Refugiums

CPR-REPLACEMENT INLET Includes: Complete inlet assembly with gasket Replacement for BakPak, Dual BakPak, all hang on AquaFuges

$11.99
Ruby Reef Sliminator - 16 oz.

Ruby Reef Sliminator - 16 oz.

What is SLIMINATOR™? SLIMINATOR™ is a safe and effective water treatment for the control of cyanobacteria (a.k.a. “slime algae”) in marine and freshwater aquaria. One of the most important features of SLIMINATOR™ is that it do...

$11.99
Python Gravel Tube

Python Gravel Tube

Extended Length Gravel Tubes: For tall aquariums or convenient garden pond maintenance All gravel tubes are packaged with 2.5 ft. of tubing and a female connector

From $10.99
CPR Inflow Kit - 3/4 inch

CPR Inflow Kit - 3/4 inch

CPR Inflow Kit (3/4"). Four feet of 3/4" I.D. vinyl tubing, U-tube and two hoseclamps.

$14.99
Eheim Liberty Carbon Insert Cartridge

Eheim Liberty Carbon Insert Cartridge

Activated Carbon Inserts for Eheim Liberty Hang-On Filters (2 pcs)

From $10.99
Tropic Marin KH Saltwater Test Kit

Tropic Marin KH Saltwater Test Kit

For the determination of the carbonate hardness or the alkalinity in seawater. The carbonate hardness or alkalinity corresponds to the buffer capacity of the aquarium water and therefore determines the stability of the pH-value i...

$11.49
1.5 inch Split Ring Pump Union for Dolphin Aqua Sea Pump

1.5 inch Split Ring Pump Union for Dolphin Aqua Sea Pump

1.5" split ring union fitting (fits older Dolphin AquaSea pumps with 1.5" ports)

$13.99
Continuum Aquatics Reef-Basis Potassium Concentrated Liquid Supplement

Continuum Aquatics Reef-Basis Potassium Concentrated Liquid Supplement

Reef•Basis Potassium Description: Potassium Supplement for Marine Aquariums Features: • Provides bioavailable potassium for corals and other invertebrates • Contains no acetates, gluconates, or polygluconates Adva...

From $6.49
Tom Aquatics Activated Carbon Pillow with Cloth Carbon for Rapids Pro Series PS3 & PS4

Tom Aquatics Activated Carbon Pillow with Cloth Carbon for Rapids Pro Series PS3 & PS4

Pros Series Cloth Carbon is cleaner and purer than other traditional forms of acitvated carbon but still retains 100% activation which gives it the same high capacity for adsorption of organic compounds and other odorous gases. Pr...

$10.49
301 - 325 of 402
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.