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Our 17th Birthday Sale is on now! 10% off orders over $50 - discount applied automatically. Max discount $50. Excludes Biomaster Sale.
Our 17th Birthday Sale is on now! 10% off orders over $50 - discount applied automatically. Max discount $50. Excludes Biomaster Sale.

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Original price $20.95 - Original price $149.00
Original price
$20.95 - $149.00
$20.95 - $149.00
Current price $20.95

API Tap Water Conditioner

Tap water contains chemicals and toxins that are harmful to fish if left untreated. API® Tap Water Conditioner removes these toxins instantly, so y...

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Original price $20.95 - Original price $149.00
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$20.95 - $149.00
Current price $20.95
Original price $30.95 - Original price $30.95
Original price
$30.95
$30.95 - $30.95
Current price $30.95

API Test Kit Ammonia Freshwater & Saltwater NH3/NH4

The API® AMMONIA TEST KIT measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer of tropical fish. Ammonia is...

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Original price $30.95 - Original price $30.95
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$30.95 - $30.95
Current price $30.95
Original price $30.95 - Original price $30.95
Original price
$30.95
$30.95 - $30.95
Current price $30.95

API Test Kit Calcium Ca

Only 1 left!

Calcium is one of the most important elements in a reef aquarium. Reef invertebrates such as corals, crustaceans, mollusks and even some types of e...

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Original price $30.95 - Original price $30.95
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$30.95 - $30.95
Current price $30.95
Original price $32.95 - Original price $32.95
Original price
$32.95
$32.95 - $32.95
Current price $32.95

API Test Kit Copper Cu

Copper, a common treatment for many parasitic infections, must be monitored in an aquarium or a pond. The copper level can drop too low for the tre...

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Original price $32.95 - Original price $32.95
Original price
$32.95
$32.95 - $32.95
Current price $32.95
Original price $18.95 - Original price $18.95
Original price
$18.95
$18.95 - $18.95
Current price $18.95

API Test Kit Freshwater pH

pH is the measure of acidity of water.  A pH reading of 7.0 is neutral.  A pH higher than 7.0 is alkaline, and a pH lower than 7.0 is acidic.  Main...

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Original price $18.95 - Original price $18.95
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$18.95
$18.95 - $18.95
Current price $18.95
Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95

API Test Kit General & Carbonate Hardness GH/KH

11 in stock

When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat...

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Original price $29.95 - Original price $29.95
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$29.95 - $29.95
Current price $29.95
Original price $18.95 - Original price $18.95
Original price
$18.95
$18.95 - $18.95
Current price $18.95

API Test Kit High Range pH

The API® HIGH RANGE pH TEST KIT measures pH changes in marine aquariums, aquariums with African Cichlids, and very alkaline tap water. The API HIGH...

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Original price $18.95 - Original price $18.95
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$18.95 - $18.95
Current price $18.95
Original price $33.95 - Original price $33.95
Original price
$33.95
$33.95 - $33.95
Current price $33.95

API Test Kit Nitrate NO3

High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in al...

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Original price $33.95 - Original price $33.95
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Current price $33.95
Original price $24.95 - Original price $24.95
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$24.95
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Current price $24.95

API Test Kit Nitrite NO2

Nitrite is produced in the aquarium in the forms of fish waste, uneaten food, and by nitrifying bacteria in your aquarium’s natural cycle as it bre...

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Original price $24.95 - Original price $24.95
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$24.95
$24.95 - $24.95
Current price $24.95
Original price $35.95 - Original price $35.95
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$35.95
$35.95 - $35.95
Current price $35.95

API Test Kit Phosphate PO₄³⁻

Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphate contri...

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Original price $35.95 - Original price $35.95
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$35.95
$35.95 - $35.95
Current price $35.95
Original price $11.95 - Original price $34.95
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$11.95 - $34.95
$11.95 - $34.95
Current price $11.95

API Tropical Flakes

Only 1 left!

TROPICAL FLAKES contains Menhaden and squid to provide essential amino acids for optimal growth & carotenoids to enhance the vibrant colors of ...

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Original price $11.95 - Original price $34.95
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$11.95 - $34.95
Current price $11.95
Original price $19.95 - Original price $19.95
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$19.95
$19.95 - $19.95
Current price $19.95

API Tropical Greens Flakes 60g

TROPICAL GREENS FLAKES is formulated with multiple algae species, beet pulp, and a special plant blend included for healthy growth and development....

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
Original price $14.95 - Original price $14.95
Original price
$14.95
$14.95 - $14.95
Current price $14.95

API Tropical Mini Pellets 48g

TROPICAL MINI PELLETS contains high quality proteins, including squid and shrimp, included for optimal growth, as well as a unique palatable blend ...

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Original price $14.95 - Original price $14.95
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$14.95
$14.95 - $14.95
Current price $14.95
Original price $22.95 - Original price $22.95
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$22.95
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Current price $22.95

API Turtle Fix (Melaleuca) 237ml

A safe all natural way to treat topical bacterial infections on the body and limbs of aquatic and semi-aquatic reptiles and amphibians Aids in the...

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Original price $22.95 - Original price $22.95
Original price
$22.95
$22.95 - $22.95
Current price $22.95
Original price $20.95 - Original price $20.95
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$20.95
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Current price $20.95

API Turtle Sludge Destroyer 237ml

The API® Turtle Sludge Destroyer cleans your aquarium or vivarium using beneficial bacteria, which breaks down organic waste and debris to reduce m...

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Original price $20.95 - Original price $20.95
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$20.95
$20.95 - $20.95
Current price $20.95
Original price $21.95 - Original price $21.95
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$21.95
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Current price $21.95

API Turtle Water Conditioner 237ml

The API® Turtle Water Conditioner removes harmful chemicals from tap water, including chlorine, chloramines, and heavy metals, making it safe for a...

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Original price $21.95 - Original price $21.95
Original price
$21.95
$21.95 - $21.95
Current price $21.95
Original price $10.95 - Original price $10.95
Original price
$10.95
$10.95 - $10.95
Current price $10.95

API Vacation Pyramid 14 Day Fish Feeder

API pyramid-shaped feeder block contains nutritious food pellets that are released slowly, as the pyramid dissolves. Provides a superior nutrition ...

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Original price $10.95 - Original price $10.95
Original price
$10.95
$10.95 - $10.95
Current price $10.95
Original price $15.95 - Original price $15.95
Original price
$15.95
$15.95 - $15.95
Current price $15.95

API Water Softener Pillow (up to 75L)

2 in stock

Achieve ideal general hardness level in your freshwater aquarium. API Water Softener Pillow effectively reduces GH (general hardness) by lowering c...

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Original price $15.95 - Original price $15.95
Original price
$15.95
$15.95 - $15.95
Current price $15.95
Original price $10.95 - Original price $10.95
Original price
$10.95
$10.95 - $10.95
Current price $10.95

API Weekend Pyramid Fish Feeder 4 x 3 day

Patented pyramid-shaped feeder block contains nutritious, slow-release pellets. Each pellet is a uniformly balanced meal. One pyramid will feed 15 ...

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Original price $10.95 - Original price $10.95
Original price
$10.95
$10.95 - $10.95
Current price $10.95
Original price $14.95 - Original price $14.95
Original price
$14.95
$14.95 - $14.95
Current price $14.95

Aqua Media Coral Frag Tool Replacement Blades 2 Pack

Replacement blade twin pack for the Aqua Medic Coral Frag tool set.

Original price $14.95 - Original price $14.95
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$14.95
$14.95 - $14.95
Current price $14.95
Original price $72.95 - Original price $72.95
Original price
$72.95
$72.95 - $72.95
Current price $72.95

Aqua Media Frag Board Magentic

Retaining plate for holding several frag pins. The supplied magnetic holder allows the frag board mag to be positioned securely and flexibly on the...

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Original price $72.95 - Original price $72.95
Original price
$72.95
$72.95 - $72.95
Current price $72.95
Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95

Aqua Media Frag Pins 20 Pack

By simple fragmentation, many corals can be reproduced. For this purpose, the frag pins are very useful as frag stones. For fixing the coral frags ...

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Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95
Original price $46.95 - Original price $46.95
Original price
$46.95
$46.95 - $46.95
Current price $46.95

Aqua Medic 6 Tubes Acrylic Holder

Acrylic tube holder to attach up to six tubes (max. Ø 6 mm) on to the glass edge.

Original price $46.95 - Original price $46.95
Original price
$46.95
$46.95 - $46.95
Current price $46.95
Original price $44.95 - Original price $44.95
Original price
$44.95
$44.95 - $44.95
Current price $44.95

Aqua Medic Accessory Bag - Plankton Light Reactor II (35010-15

2 in stock

Aqua Medic Accessory Bag for Plankton Light Reactor II. Item Code: 35010-15

Original price $44.95 - Original price $44.95
Original price
$44.95
$44.95 - $44.95
Current price $44.95

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