Add to cart product

VIEW CART

Skip to content

Winter Advisory: Liquids may freeze during shipping - Check out our Shipping Policy!

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
Water Testing Equipment

Filters

American Marine Inc (17)
API (17)
Aquaforest (6)
Aquarium Depot (4)
Aquarium Munster (1)
ATI (1)
AutoAqua (2)
Brightwell Aquatics (2)
Fauna Marin (3)
Focustronic (6)
Hanna (66)
HM Digital (5)
HYDROS (1)
IceCap (1)
Instant Ocean (1)
Milwaukee Instruments (14)
Neptune Systems (6)
Oceamo (1)
Red Sea (8)
Salifert (13)
Seachem (11)
Tropic Marin (4)

In stock (179)
Out of stock (11)

$

-

$

Qualify for Free Shipping

Same Day Delivery

Special Order

Water Testing Equipment

190 products

Showing 73 - 96 of 190 products

Showing 73 - 96 of 190 products

Display

Sort by

View

Hanna Checker Nitrate High Range Colorimeter HI782

Hanna Checker Nitrate High Range Colorimeter HI782

Sale price$73.99

Backordered
Ships free on eligible orders *

Hanna Checker Nitrate High Range Reagent 25 Tests HI782-25

Hanna Checker Nitrate High Range Reagent 25 Tests HI782-25

Sale price$25.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Nitrate LR Colorimeter HI781

Hanna Checker Nitrate LR Colorimeter HI781

Sale price$73.99

Backordered
Ships free on eligible orders *

Hanna Checker Nitrate Reagent 25 Tests HI781-25

Hanna Checker Nitrate Reagent 25 Tests HI781-25

Sale price$25.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker pH Tester with 0.1 pH Resolution HI98103

Hanna Checker pH Tester with 0.1 pH Resolution HI98103

Hanna Checker pH Tester with 0.1 pH Resolution HI98103

Sale price$49.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Phosphate Low Range Reagent 100 Tests HI93713-01

Hanna Checker Phosphate Low Range Reagent 100 Tests HI93713-01

Sale price$42.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Phosphate Low Range Reagent 25 Tests HI713-25

Hanna Checker Phosphate Low Range Reagent 25 Tests HI713-25

Sale price$16.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Phosphate Ultra Low Range Reagent 25 Tests HI774-25

Hanna Checker Phosphate Ultra Low Range Reagent 25 Tests HI774-25

Sale price$16.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Phosphorus Ultra Low Range Reagent 25 Tests HI736-25

Hanna Checker Phosphorus Ultra Low Range Reagent 25 Tests HI736-25

Sale price$16.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Saltwater Aquarium Alkalinity Colorimeter (dKH) HI772

Hanna Checker Saltwater Aquarium Alkalinity Colorimeter (dKH) HI772

Hanna Checker Saltwater Aquarium Alkalinity Colorimeter (dKH) HI772

Sale price$73.99

Backordered
Ships free on eligible orders *

Hanna Checker Saltwater Aquarium Calcium Colorimeter HI758

Hanna Checker Saltwater Aquarium Calcium Colorimeter HI758

Hanna Checker Saltwater Aquarium Calcium Colorimeter HI758

Sale price$73.99

Backordered
Ships free on eligible orders *

Hanna Checker Saltwater Aquarium Iron Colorimeter HI721

Hanna Checker Saltwater Aquarium Iron Colorimeter HI721

Sale price$73.90

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Silica Low-Range Checker HI705

Hanna Checker Silica Low-Range Checker HI705

Hanna Checker Silica Low-Range Checker HI705

Sale price$73.99

Backordered
Ships free on eligible orders *

Hanna Checker Total Chlorine Colorimeter HI711

Hanna Checker Total Chlorine Colorimeter HI711

Sale price$73.99

Backordered
Ships free on eligible orders *

Hanna Checker Total Chlorine Reagent 25 Tests HI711-25

Hanna Checker Total Chlorine Reagent 25 Tests HI711-25

Sale price$16.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Ultra Low Range Nitrite Reagents 25 Tests HI764-25

Hanna Checker Ultra Low Range Nitrite Reagents 25 Tests HI764-25

Sale price$16.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Ultra Low Range Total Chlorine Colorimeter HI761

Hanna Checker Ultra Low Range Total Chlorine Colorimeter HI761

Sale price$73.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Checker Ultra Low Range Total Chlorine Reagent 25 Tests HI761-25

Hanna Checker Ultra Low Range Total Chlorine Reagent 25 Tests HI761-25

Sale price$16.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Cuvette Cleaning Solution (230 mL) - HI93703-50

Hanna Cuvette Cleaning Solution (230 mL) - HI93703-50

Sale price$37.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Electrode Storage Solution 230 mL - HI70300M

Hanna Electrode Storage Solution 230 mL - HI70300M

Hanna Electrode Storage Solution 230 mL - HI70300M

Sale price$17.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna Free Chlorine Test Kit HI3831F

Hanna Free Chlorine Test Kit HI3831F

Sale price$32.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna General Purpose Cleaning Solution (230 mL) - HI7061M

Hanna General Purpose Cleaning Solution (230 mL) - HI7061M

Sale price$17.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna General Purpose Cleaning Solution (500 mL) - HI7061L

Hanna General Purpose Cleaning Solution (500 mL) - HI7061L

Sale price$24.99

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

Hanna General Purpose Cleaning Solution Sachet (20 mL) - HI700601P

Hanna General Purpose Cleaning Solution Sachet (20 mL) - HI700601P

Sale price$1.89

In Stock
Ships free on eligible orders *
Same Day Delivery in the GTA *

1 2 345 6…8

Page 4 / 8Next

Filters (0)

Filters

American Marine Inc (17)
API (17)
Aquaforest (6)
Aquarium Depot (4)
Aquarium Munster (1)
ATI (1)
AutoAqua (2)
Brightwell Aquatics (2)
Fauna Marin (3)
Focustronic (6)
Hanna (66)
HM Digital (5)
HYDROS (1)
IceCap (1)
Instant Ocean (1)
Milwaukee Instruments (14)
Neptune Systems (6)
Oceamo (1)
Red Sea (8)
Salifert (13)
Seachem (11)
Tropic Marin (4)

In stock (179)
Out of stock (11)

$

-

$

Qualify for Free Shipping

Same Day Delivery

Special Order

Recently viewed

As a Canadian-owned business, Aquarium Depot is run by aquarium hobbyists for aquarium hobbyists. We carry a large selection of aquarium products and take great care of our livestock before they are ready for sale.

Subscribe to our newsletter

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

Your email

Terms & Conditions
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.