Skip to content

Free shipping on orders over $99* (Exclusions Apply)

Invertebrates
Reptile Essentials
Services
Contact Us

Need help?

Call us 1-855-424-3328

info@aquariumdepot.ca

Follow Us

Facebook
Instagram
YouTube
TikTok
LinkedIn

Aquariums
Aquariums Only
Aquarium Kits
Aquariums Stands
Aquariums Tops
Aquarium Parts

Aquarium Essentials
3D Printed Accessories
Additives & Supplements
Controllers & Accessories
Dosing Equipment
Maintenance Equipment
Medications
Rocks
Substrates
Water Testing Equipment
Wavemakers & Powerheads

Corals
WYSIWYG

Saltwater Fish
In Stock Fish
Angelfish
Anthias
Basslets
Blennies
Butterflyfish
Damselfish
Dottybacks
Dragonets
Gobies
Tangs
Rabbitfish
Tilefish
Triggerfish
Wrasse
Puffers
Cardinalfish
Dartfish
Clownfish
Eels
Filefish
Captive Bred Fish

Accessories
All Accessories
Traps
Thermometers

Filters & Filter Media
All Filters & Filter Media
Filters
Filter Media
Filter Replacement Cartridges
Filter Socks
Filter Media Baskets

Food & Feeding Equipment
All Food & Feeding Equipment
Marine Foods
Coral Foods
Live Foods
Flakes
Pellets
Seaweed
Feeding Equipment

Heaters & Chillers
All Heaters & Chillers
Heaters
Chillers

Lighting
All Lighting
Lighting Accessories
Lamps & Bulbs
Light Fixtures

Plumbing
All Plumbing
Flexible Ball-Socket Joint Tubing
Bulkheads
PVC Valves
PVC Unions
PVC Pipe
PVC Fittings
PVC Reducers
PVC Barb Fittings

Protein Skimmers & Reactors
All Protein Skimmers & Reactors
Protein Skimmers
Media Reactors & Media

Pumps
All Pumps
Impellers
Replacement Parts

Reverse Osmosis (RO/DI)
All Reverse Osmosis (RO/DI)
Reverse Osmosis Fittings

Sump Equipment
All Sump Equipment
Auto Top Off

SPS Corals
Acropora
Montipora
Seriatopora
Stylocoeniella
Other SPS

LPS Coral
Acanthastrea
Blastomussa
Chalice
Cyphastrea
Elegance
Euphyllia
Favites
Goniopora
Leptos
Lobophyllia
Plate Corals
Trachyphyllia
Other LPS

Soft Corals
Zoanthids
Mushrooms
Gorgonians

Login / Signup

My account

Your cart is empty

Shop our products

Aquariums
Aquarium Essentials
Corals
Saltwater Fish
Invertebrates
Reptile Essentials
Services
Contact Us

Use this bar to show information about your cookie policy.

Home
Aquarium Additives & Supplements

Filters

American Marine Inc (1)
API (4)
Aquaforest (36)
Aquarium Depot (2)
Aquavitro (10)
Aqueon (3)
ATI (20)
Blue Life USA (1)
Boyd Enterprises (6)
Brightwell Aquatics (139)
DrTim’s Aquatics (52)
E.S.V. (20)
Fauna Marin (63)
Fluval (1)
Fritz Aquatics (22)
Korallen-Zucht (7)
Majano Wand (1)
NYOS (9)
Polyp Lab (12)
Red Sea (2)
Reef Brite (1)
Reef Moonshiners (18)
Salifert (1)
Seachem (122)
Tropic Marin (33)
Two Little Fishies (11)
Weco (2)

In stock (555)
Out of stock (44)

$

-

$

Qualify for Free Shipping

Same Day Delivery

Special Order

Aquarium Additives & Supplements

599 products

Showing 577 - 599 of 599 products

Showing 577 - 599 of 599 products

Display

Sort by

View

Save 15%

ESV B-Ionic Seawater System Refill Kit - 200 gal

E.S.V. ESV B-Ionic Seawater System Refill Kit - 200 gal

Sale price$150.44 Regular price$176.99

Shipping charges apply

Save 10%

Brightwell Aquatics MicroBacter Purple M - 500ml

Brightwell Aquatics Brightwell Aquatics MicroBacter Purple M - 500ml

Sale price$35.99 Regular price$39.99

Ships free on eligible orders *

Save 15%

Seachem Pond Prime - 4 L

Seachem Seachem Pond Prime - 4 L

Sale price$67.25 Regular price$79.12

Ships free on eligible orders *

Save 15%

Tropic Marin Potassium - 500ml

Tropic Marin Tropic Marin Potassium - 500ml

Sale price$25.49 Regular price$29.99

Ships free on eligible orders *

Save 15%

Seachem Reef Iron - 500 ml

Seachem Seachem Reef Iron - 500 ml

Sale price$16.99 Regular price$19.99

Ships free on eligible orders *

Save 15%

Seachem Reef Nitrogen - 500 ml

Seachem Seachem Reef Nitrogen - 500 ml

Sale price$16.99 Regular price$19.99

Ships free on eligible orders *

Save 15%

Seachem Reef Phosphorus - 500 ml

Seachem Seachem Reef Phosphorus - 500 ml

Sale price$16.99 Regular price$19.99

Ships free on eligible orders *

Save 15%

Seachem Reef Potassium - 500 ml

Seachem Seachem Reef Potassium - 500 ml

Sale price$16.99 Regular price$19.99

Ships free on eligible orders *

Save 15%

Tropic Marin Phos-Start - 75g

Tropic Marin Tropic Marin Phos-Start - 75g

Sale price$29.74 Regular price$34.99

Ships free on eligible orders *

Save 15%

Seachem Axolotl Conditioner - 250 ml

Seachem Seachem Axolotl Conditioner - 250 ml

Sale price$12.74 Regular price$14.99

Ships free on eligible orders *

Save 15%

Seachem Axolotl Buffer - 250 ml

Seachem Seachem Axolotl Buffer - 250 ml

Sale price$11.04 Regular price$12.99

Ships free on eligible orders *

Save 20%

Nyos BYOTIC - 75g

NYOS Nyos BYOTIC - 75g

Sale price$46.39 Regular price$57.99

Ships free on eligible orders *

Save 15%

Seachem Reef Buffer - 4 kg

Seachem Seachem Reef Buffer - 4 kg

Sale price$93.49 Regular price$109.99

Shipping charges apply

Save 15%

Tropic Marin Cyo-Control - 500ml

Tropic Marin Tropic Marin Cyo-Control - 500ml

Sale price$42.49 Regular price$49.99

Ships free on eligible orders *

Save 10%

Fritz Pond Clarifier - 16 oz

Fritz Aquatics Fritz Pond Clarifier - 16 oz

Sale price$14.39 Regular price$15.99

Ships free on eligible orders *

Save 10%

Aquaforest Component 3in1 - Macro & Trace Elements - 500ml

Aquaforest Aquaforest Component 3in1 - Macro & Trace Elements - 500ml

Sale price$26.99 Regular price$29.99

Ships free on eligible orders *

Save 10%

Aquaforest Component 3in1 - Macro & Trace Elements - 1000ml

Aquaforest Aquaforest Component 3in1 - Macro & Trace Elements - 1000ml

Sale price$44.99 Regular price$49.99

Ships free on eligible orders *

Save 10%

Aquaforest Component 3in1 - Macro & Trace Elements - 2000ml

Aquaforest Aquaforest Component 3in1 - Macro & Trace Elements - 2000ml

Sale price$71.99 Regular price$79.99

Ships free on eligible orders *

Save 15%

Tropic Marin Block Iodine Concentrated Solution - 1000 ml

Tropic Marin Tropic Marin Block Iodine Concentrated Solution - 1000 ml

Sale price$49.29 Regular price$57.99

Ships free on eligible orders *

Save 15%

Tropic Marin Block Strontium Concentrated Solution - 1000 ml

Tropic Marin Tropic Marin Block Strontium Concentrated Solution - 1000 ml

Sale price$49.29 Regular price$57.99

Ships free on eligible orders *

Save 15%

Tropic Marin Block Molybdenum Concentrated Solution - 1000 ml

Tropic Marin Tropic Marin Block Molybdenum Concentrated Solution - 1000 ml

Sale price$49.29 Regular price$57.99

Ships free on eligible orders *

Save 15%

Tropic Marin Block Nickel Concentrated Solution - 1000 ml

Tropic Marin Tropic Marin Block Nickel Concentrated Solution - 1000 ml

Sale price$49.29 Regular price$57.99

Ships free on eligible orders *

Save 15%

Tropic Marin Block Zinc Concentrated Solution - 1000 ml

Tropic Marin Tropic Marin Block Zinc Concentrated Solution - 1000 ml

Sale price$49.29 Regular price$57.99

Ships free on eligible orders *

1…23 2425

Page 25 / 25

Filters (0)

Filters

American Marine Inc (1)
API (4)
Aquaforest (36)
Aquarium Depot (2)
Aquavitro (10)
Aqueon (3)
ATI (20)
Blue Life USA (1)
Boyd Enterprises (6)
Brightwell Aquatics (139)
DrTim’s Aquatics (52)
E.S.V. (20)
Fauna Marin (63)
Fluval (1)
Fritz Aquatics (22)
Korallen-Zucht (7)
Majano Wand (1)
NYOS (9)
Polyp Lab (12)
Red Sea (2)
Reef Brite (1)
Reef Moonshiners (18)
Salifert (1)
Seachem (122)
Tropic Marin (33)
Two Little Fishies (11)
Weco (2)

In stock (555)
Out of stock (44)

$

-

$

Qualify for Free Shipping

Same Day Delivery

Special Order

Recently viewed

Aquarium Depot is a Canadian owned and operated business based in Toronto. We specialize in saltwater aquarium supplies, marine livestock, corals, equipment, and maintenance essentials. Our team of experienced hobbyists is dedicated to providing healthy livestock and high quality products for reef keepers and marine aquarium enthusiasts.

We also build custom aquariums and aluminum stands right here in Toronto using locally sourced materials. Whether you are creating a home reef or a large commercial display, Aquarium Depot is your trusted partner for everything marine.

Subscribe to our newsletter

Get all the latest information on Events, Sales and Offers.

Your email

Terms & Conditions
USA & International Orders
Shipping Policy
Livestock Policies
How we care for our fish
AD Same Day Delivery
Privacy Policy
Product Warranty
SMS Exclusive Discounts
Contact Us

Country/region

Country/region

© 2025 Aquarium Depot

Follow Us

We Accept

© 2025 Aquarium Depot

Opens in a new window.