Online Discount Pet Supplies & Toys For All Animals
1-714-361-6142
Buy today, ships today
Free shipping on orders over $75
40,000 pet products
Buy today,
ships today
We promise to ship your order as fast as humanly possible. In fact, 99% of orders placed before 2 pm EST (M-F) ship the same day! Learn More
FREE Shipping on
Orders Over $75
Standard ground shipping (1-7 business days) starts at a low $5.99 and most orders over $75 ship FREE. Learn More
40,000 Pet Products
We carry over 40,000 pet-related products for every pet in your home. We stock all the popular products you’ll find in your local pet store, but sell them for less! See Specials
0
Your cart is currently empty.
Aquarium Supplies

Fish Additives & Supplements

We carry a wide variety of additives produced by the most respected companies serving the aquarium hobby, such as Kent Marine, E.S.V., Seachem and Two Little Fishies. 2-part Calcium and Alkalinity Supplements are popular additives among reef keepers since calcium and alkalinity tend to deplete quickly in a reef aquarium.
Show: per page
Grid View Grid List View List
Sort by:
101 - 125 of 287
API Accu-Clear

API Accu-Clear

Quickly clears cloudy aquarium water, eliminating clouds caused by dirt. Clumps tiny particles, causing them to fall to the bottom or collect in the filter. Makes any filter work more efficiently to create crystal-clear water fast...

From $6.60
Red Sea Coral Colors A Supplement (Iodine/Halogens) - 500ml

Red Sea Coral Colors A Supplement (Iodine/Halogens) - 500ml

Iodine/Halogen complex that promote the pink colors in corals. Coral Colors A Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals. Co...

$14.99
Kent Marine Tech I

Kent Marine Tech I

Description: Kent Marine Tech I is the most significant breakthrough in marine additive technology in the last five years! Although present in salt mixes, iodine is rapidly used up in the system, and removed through protein skim...

From $11.77
Kent Marine Tech-CB Package

Kent Marine Tech-CB Package

Make your marine aquarium a healthy home for your fish and corals. Grab the Kent Marine Tech-CB Package from Pet Store . These two formulas will help you balance the minerals in your tank. This helps provide your aquarium with pr...

From $11.99
Brightwell Aquatics Ph+ Liquid pH Increaser Marine

Brightwell Aquatics Ph+ Liquid pH Increaser Marine

Increases pH in all Marine and Freshwater Aquaria Overview Increases pH in marine and reef aquaria. May be used to help increase pH in aquaria that have adequate alkalinity yet have chronically-depressed pH levels; whil...

From $5.25
Red Sea Coral Colors D Supplement (Trace) - 500ml

Red Sea Coral Colors D Supplement (Trace) - 500ml

A trace element complex that promotes the Purple/Blue colors in corals. Coral Colors D Supplement is part of the complete range of complementary major, minor and trace element complexes which together provide the needs of corals...

$14.99
Brightwell Aquatics Lugol`s Solution - Advanced Iodine for Reef Aquaria 30ml / 1oz

Brightwell Aquatics Lugol`s Solution - Advanced Iodine for Reef Aquaria 30ml / 1oz

If you want to maintain proper iodine level in your aquarium water, then use the Brightwell Aquatics Lugol’s Solution - Advanced Iodine for Reef Aquaria Pet Store . This solution is ideally made to help supply your tank with the ...

$13.11
Brightwell Aquatics CoralAmino

Brightwell Aquatics CoralAmino

If you’re the type of aquarist who loves to collect and keep a large set of shells, clams, and other invertebrates, then you may find it somewhat difficult to get your hands on a suitable product, which will give them the best nou...

From $12.85
Korallen-Zucht ZEOvit Sponge Power

Korallen-Zucht ZEOvit Sponge Power

Sponge Power is the first product of its kind – charged specifically with the task of maintaining and boosting the growth of all your filter feeders including clams, feather duster worms, sponges and tunicates. As an added benefit...

From $39.99
Korallin Amino-Life 500 mL

Korallin Amino-Life 500 mL

Taking care of coral reefs is very rewarding. There's nothing like looking at an aquarium filled with beautifully and vibrantly colored corals swaying and undulating with the flow of the water. Of course, getting corals reefs t...

$12.22
Continuum Aquatics Bacter Gen-M Marine Microbe Culture

Continuum Aquatics Bacter Gen-M Marine Microbe Culture

BacterGen•M Description: Microbial Culture for Marine Aquariums Features: • Provides seed bacteria to quickly establish the nitrogen cycle in new marine aquariums • Provides bacterial cultures to digest leftover food...

From $13.49
Brightwell Aquatics PhytoChrom - Color-Enhancing Phytoplankton 1-30 micron

Brightwell Aquatics PhytoChrom - Color-Enhancing Phytoplankton 1-30 micron

1 - 30µm Phytoplankton Suspension for Soft Corals, Clams, Sponges, and Other Filter-Feeders Overview Provides 6 types of phytoplankton ranging in size from1 - 30µm. Ideally-sized for many soft corals, clams, sponges,tuni...

From $14.70
Seachem Laboratories Reef Kalkwasser

Seachem Laboratories Reef Kalkwasser

Calcium plays an important role in any reef aquarium . That’s why you need to use the Seachem Reef Kalkwasser Pet Store in your tank today. Corals and other invertebrates greatly need calcium in order to grow and survive. Using...

From $12.99
Red Sea Coral Colors ABCD Supplements - 4 Pack

Red Sea Coral Colors ABCD Supplements - 4 Pack

Red Sea Coral Colors A, B, C, D. 4-Pack (4x100ml) Red Sea Coral Coloration Program – Spice up your colors. Red Sea’s research has identified 31 minor and trace elements that in addition to the foundation elements are present ...

$22.99
Brightwell Aquatics Kalk+2 - Advanced Kalkwasser Supplement

Brightwell Aquatics Kalk+2 - Advanced Kalkwasser Supplement

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, et...

From $7.34
Marc Weiss Co. Organics Coral Vital 16oz

Marc Weiss Co. Organics Coral Vital 16oz

When it comes to maintaining a reef aquarium, one of the most important things that you have to think about is the provision that is just right for your invertebrates. If you want the features of your corals and clams to stand out...

$27.99
Korallen-Zucht ZEOvit ZEOmag Magnesium Granulate - 1kg

Korallen-Zucht ZEOvit ZEOmag Magnesium Granulate - 1kg

Are you worried about the level of magnesium in your reef aquarium ? Magnesium is a very common element found in marine environments and can affect the lives of various plants and animals. In aquariums, magnesium mainly has to do...

$28.99
Kordon AmQuel® Ammonia/Chloramine Remover

Kordon AmQuel® Ammonia/Chloramine Remover

Feature(s): A true one-step liquid ammonia and chloramine remover Nontoxic Simple to Use The original product that established the state-of-the-art in water conditioning technology regarding ammonia removal. 16oz bottle ...

From $9.49
Seachem Laboratories Reef Iodide

Seachem Laboratories Reef Iodide

SeaChem Reef Iodide ™ is an iodide supplement for those with dense populations of invertebrates or soft corals. It is also useful in tanks with aggressive skimmers. Reef Iodide™ is concentrated at 8,000 mg/L. As little as 1 mL in ...

From $5.99
Prodibio BIOPTIM

Prodibio BIOPTIM

Bioptim provides the BioDigest bacteria with the micronutrients needed to optimally purify saltwater and improve water quality. Bioptim: Contains all the microelements needed for aquarium life (amino acids, enzymes, natural ...

From $26.99
Kent Marine Purple Tech

Kent Marine Purple Tech

Kent Marine Purple Tech Kent Marine is pleased to announce the release of our Purple Tech. Kent Marine Purple Tech is designed to provide ionically-balanced nutrients required by coralline algae and stony corals. Formulat...

From $8.56
Kent Marine Turbo Calcium

Kent Marine Turbo Calcium

Description: TURBO CALCIUM provides bio-available calcium 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, with re...

From $11.82
Korallin-Zucht ZEOvit Coral Snow

Korallin-Zucht ZEOvit Coral Snow

The Korallin-Zucht Zeovit Coral Snow Pet Store offers you a wonderful solution that will give your sea pals the clean and clear water they need. Highly useful and completely safe, it will definitely be a great addition to your a...

From $39.99
Korallen-Zucht ZEOfood 7 Coral Food w/ Amino Acids

Korallen-Zucht ZEOfood 7 Coral Food w/ Amino Acids

The Korallen-Zucht Zeofood 7 Coral Food with Amino Acids Pet Store gives you a wonderful product that your marine rocks can use as a source of their diet and nourishment. This solution helps encourage the growth of friendly micr...

From $19.99
Korallen-Zucht ZEOvit Amino Acid Concentrate LPS

Korallen-Zucht ZEOvit Amino Acid Concentrate LPS

Ensure that your corals are exhibiting a magnificent set of colors and features by providing them with a formula, which will keep them cleaner and healthier in an instant. This product is an excellent substitute to other solutions...

From $44.99
101 - 125 of 287
Add to Cart or Notify Me
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.

Notify Me
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:
Terms & Conditions | Privacy Policy © 1999-2015 PetStore.com. All rights reserved.