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API Products

Best Seller

API Ammonia NH3/NH4+ Test Kit

$12.99
  • $19.99
  • Save $7 (35%)
5.0 (2)

API Root Tabs new

$8.99 - $51.24
  • $97.99
  • Save $47 (48%)
5.0 (1)

API Tropical Premium Flakes for Community Fish

$4.29 - $24.45
  • $41.99
  • Save $18 (42%)
5.0 (1)

API pH Down Aquarium pH Adjuster

$4.59 - $34.17
  • $58.99
  • Save $25 (42%)
5.0 (1)
Best Seller

API AlgaeFix for Freshwater Aquariums

$3.79 - $159.00
  • $318.99
  • Save $160 (50%)
5.0 (4)

API Bio Chem Stars

$16.59 - $63.04
  • $119.99
  • Save $57 (47%)
5.0 (6)
Best Seller

API Ammo Lock Ammonia Detoxifier for Ponds

$11.60 - $245.00
  • $490.99
  • Save $246 (50%)
5.0 (1)
Best Seller

API Furan-2 Anti-Bacterial Fish Medication Powder

$10.99 - $311.00
  • $622.99
  • Save $312 (50%)
5.0 (6)
Best Seller

API Water Softener Pillow

$5.99 - $17.07
  • $29.99
  • Save $13 (43%)
5.0 (1)

API Safe and Easy Aquarium Cleaner

$7.86 - $22.39
  • $38.99
  • Save $17 (43%)
5.0 (3)

API Ammo Lock

$5.79 - $131.00
  • $262.99
  • Save $132 (50%)
5.0 (1)

API Leaf Zone for Aquarium Plants

$8.24 - $31.31
  • $53.99
  • Save $23 (42%)
5.0 (1)

API Tropical Premium Pellets for Community Fish

$6.59 - $18.39
  • $31.99
  • Save $14 (43%)
5.0 (1)

API Doc Wellfishs Hand Held Algae Pad for Glass Aquariums

$2.99 - $34.09
  • $57.99
  • Save $24 (41%)
5.0 (2)

API 3-Day Pyramid Fish Feeder

$2.99 - $34.09
  • $57.99
  • Save $24 (41%)
5.0 (2)
Best Seller

API Stress Zyme Plus Bio Filtration Booster

$1.99 - $239.00
  • $478.99
  • Save $240 (50%)
5.0 (10)

API Stress Coat Marine Fish and Tap Water Conditioner

$11.37 - $32.40
  • $55.99
  • Save $24 (42%)
5.0 (1)
Best Seller

API Bio-Chem Zorb Filter Media

$11.59 - $132.00
  • $264.99
  • Save $133 (50%)
5.0 (5)
Best Seller

API Accu-Clear Clears Cloudy Aquarium Water

$2.89 - $25.62
  • $43.99
  • Save $18 (42%)
5.0 (3)
Best Seller

API Nitra-Zorb

$13.99 - $159.00
  • $318.99
  • Save $160 (50%)
5.0 (4)

API Proper pH Sets and Stabilizes Freshwater Aquariums

$10.18 - $29.01
  • $49.99
  • Save $21 (42%)
5.0 (2)

API Rena Filstar XP Kink Free Tubing

$19.99
  • $33.99
  • Save $14 (41%)
5.0 (2)

Aquarium Pharmaceuticals Products - Medications, Water Treatment, Filters


At Pet Mountain, we make a habit of partnering with the best pet supply companies. Thats why we are proud of our association with Aquarium Pharmaceuticals.

As leaders in the ornamental fish industry since the early 1960s, they are very vigilant about superior product quality and taking care of their aquarium and fish enthusiast customers. They make a wide line or products including Stress Coat, Stress Zyme, Melafix and many others. If you are serious about fish and ensuring your aquarium is perfectly suited for them, then you know how important Medications, Algae Control, Water Treatment and Filters are to the health of your fish.

The great thing about Aquarium Pharmaceuticals is that they are focused intently on research and development, always attempting to make their products better, more efficient and less expensive. They even have 150 experimental aquariums and ponds in their state-of-the-art research laboratory, so they can develop innovative, new products. The goal? Products that are easy and convenient for you to use.

Your Online Aquarium Pharmaceuticals Product Store


As a top tier Aquarium Pharmaceuticals supplier, Pet Mountain works closely with the manufacturer to ensure that we carry the right inventory at the lowest possible prices. With our ability to buy in bulk and work with the supplier on discount programs and special promotions, we can offer you unbeatable specials and the best customer service in the industry, guaranteed.

Ready to see all the great deals on Aquarium Pharmaceuticals Medications, Algae Control, Water Treatment and Filters? Choose from our big selection. Youll find everything you need to keep your fish happy. Cant find something? Let us know; wed be happy to help. Be sure to check out our online coupons and discount shipping on all your favorite products.

Pet Mountain your have everything, online low price leader for all Aquarium supplies!