Aquarium supplies for your fish tanks, reef tanks and water gardens.Home
Specials & Clearance Aquarium Products: Sign up for our newsletter for special articles, promotions and coupon codes.Specials
New Aquarium ProductsNew Items
Aquarium Fish & Reef Education CenterEducation
Aquarium Fish & Reef ForumsForums
Help and InformationHelp & Info
Pet supplies, Pet products, and Pet Accessories for your dogs, cats, birds, fish, reptiles or small pets. Pet experts are available to help you.
New Customer? Register | Sign In
New BillMeLater customers: Get $10 Off $50
Deal of the Day!
Time Left
00:00:00
Only: $19.99
Narrow Your Search
Saltwater Aquarium Supplies
Additives & Supplements
Aquariums
Calcium Reactors
Clearance
Dosing Pumps & Top-Off
Filter Media
Filters
Food
Lighting
Protein Skimmers
Reverse Osmosis
Test Kits
Testing Equipment
Freshwater Aquarium Supplies
Filters
Reverse Osmosis
Test Kits
Pond Supplies
Fountains & Water Features
Water Testing
 
Shop By Brand
Aquarium Pharmaceuticals, API, MARS Fishcare
Danner Mfg.
Elos USA
Hagen
Hanna Instruments
Lifegard Aquatics
Pondcare, MARS Pondcare
Red Sea
Sera
SpectraPure
 
Browse by Price
$15 or less $15-$20 $20-$30 $30-$90 $90-$345 $345 and more
 

Top sellers
Elos Aqua Test Kit - Phos... Elos Aqua Test Kit - Nitr... Elos Aqua Test Kit - Carb... Elos Aqua Test Kit - Calc... Elos Aqua Test Kit - Magn... Red Sea Magnesium Test La...
 
 
Aquarium Supplies  
Additives
Air Pumps
Aquariums
Books & Cd's
Calcium Reactors
CO2 Regulator
Chillers
Controllers
Dosing Pumps/Top-Off
Filters
Filter Media
Food
Freshwater Products
Heaters
Hydrometer
Lighting
Maintenance
Medications
Miscellaneous
Overflow Boxes
Ozonizers
Plumbing Parts
Powerheads
Protein Skimmers
Pumps (External)
Reverse Osmosis
Salt Mix
Substrate
Test Kits
Thermometers
UV Sterilizers
Wavemakers
Wet/Dry Filters
Shop By Brand


Pond Supplies

Reef Tank Packages

Betta Fish Supplies

Coral Propagation

Clearance

Catalog Quick Order

Gift Certificates

Marine Depot Videos

Home ยป 70 items found
Selected Filters:
 Search Term:

elos test kits

  Search my results:  Sort By: Display items:
Search Suggestions: elos | temperature controller | magnesium | nitrate | aptasia control | elos food | phosphate reactors phos | Amino acids | phosphate reactors | magnesium test
|<< Previous 1 2 3 4 5 Next >>|
Elos Aqua Test Kit - Calcium

Elos Aqua Test Kit - Calcium

ELOS AQUA TEST KIT- CALCIUM Calcium is the primary building block of corals, clams, calcareous algae and many other organisms that we grow in our aquarium. Without adequate supplies of calcium these organism will not flourish a...

Avg. Customer Review (11) reviews

Test Kits: See all items

Related Searches: ammonia test kit | elos | calcium test | elos calcium
Our Price: $29.99
Item Code: EO4127
Elos Aqua Test Kit - Phosphate

Elos Aqua Test Kit - Phosphate

ELOS AQUA TEST KIT- PHOSPHATE Phosphate (PO4) build up in aquariums appears to be a fairly common problem in freshwater and saltwater aquariums. They are present in most tap water supplies and are also introduced to aquarium wa...

Avg. Customer Review (9) reviews

Test Kits: See all items

Related Searches: ammonia test kit | elos | test kits | phosphate reactors
Our Price: $27.99
Item Code: EO4115
Elos Aqua Test Kit - Nitrate

Elos Aqua Test Kit - Nitrate

ELOS AQUA TEST KIT- NITRATE The Biological filtration is a method that uses naturally occurring nitrifying bacteria to detoxify nitrogenous wastes. One type of bacteria (Nitrosomonas spp.) converts ammonia to nitrite while anot...

Avg. Customer Review (3) reviews

Test Kits: See all items

Related Searches: ammonia test kit | magnesium test kit | test kits | elos
Our Price: $27.99
Item Code: EO4119
Elos Aqua Test Kit - Magnesium

Elos Aqua Test Kit - Magnesium

ELOS AQUA TEST KIT- MAGNESIUM Magnesium (Mg) is present in a high quantity (1300-1350 ppm) in natural seawater. Contrary to its not only quantitative significance, this element was ignored as an important parameter of the marin...

Avg. Customer Review (14) reviews

Test Kits: See all items

Related Searches: magnesium test kit | magnesium | elos | magnesium test
Our Price: $27.99
Item Code: EO4129
Elos Aqua Test Kit - Carbonate Hardness

Elos Aqua Test Kit - Carbonate Hardness

ELOS AQUA TEST KIT- CARBONATE HARNDESS The alkalinity of a solution refers to its capacity to buffer against drops in pH. It is a measure of the concentration of various negatively charged ionic compounds (anions) such as carbo...

Avg. Customer Review (13) reviews

Test Kits: See all items

Related Searches: elos | carbonate hardness | test kits | magnesium test kit
Our Price: $17.99
Item Code: EO4123
Elos Aqua Test Kit - pH Marine

Elos Aqua Test Kit - pH Marine

ELOS AQUA TEST KIT- PH MARINE The pH value or acid value indicates how acidic or alkaline the water is. It is a measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will react neut...

Avg. Customer Review (2) reviews

Test Kits: See all items

Related Searches: ph test kit | elos | magnesium test kit | ammonia test kit
Our Price: $17.99
Item Code: EO4113
Elos Aqua Test Kit - Nitrite

Elos Aqua Test Kit - Nitrite

ELOS AQUA TEST KIT- NITRITE The activity of the bio-filter in the aquarium system can be divided by mineralization and nitrification. The product of the mineralization process is ammonia and organic acids. The next step of deco...

Avg. Customer Review (2) reviews

Test Kits: See all items

Related Searches: ammonia test kit | magnesium test kit | test kits | ph test kit
Our Price: $24.99
Item Code: EO4117
Elos Aqua Test Kit - pH Freshwater

Elos Aqua Test Kit - pH Freshwater

ELOS AQUA TEST KIT- PH FRESHWATER The ph-value or acid value indicates how acidic or alkaline the water is. It is the measure of the concentration of the acidic or alkaline components in a hydrous solution. Pure water will reac...

Avg. Customer Review (1) reviews

Test Kits: See all items

Related Searches: ph test kit | magnesium test kit | freshwater salt | ph test
Our Price: $14.99
Item Code: EO4111
Elos Aqua Test Kit - General Hardness

Elos Aqua Test Kit - General Hardness

ELOS AQUA TEST KIT- GENERAL HARDNESS (FreshWater) General Hardness is primarily the concentration of Calcium (Ca++) and Magnesium (Mg++), the two most important metal cations with more than single positive charge. If the amount...

Avg. Customer Review (2) reviews

Test Kits: See all items

Related Searches: carbonate hardness | magnesium test kit | test kits | ammonia test kit
Our Price: $16.99
Item Code: EO4125
Elos Aqua Test Kit - Ammonia/Ammonium

Elos Aqua Test Kit - Ammonia/Ammonium

ELOS AQUA TEST KIT- AMMONIA Ammonia is the most lethal form of inorganic nitrogen produced in aquarium water. The major source of ammonia in a well run aquarium is from solid waste from fish and invertebrates, uneaten food, dec...

Avg. Customer Review (3) reviews

Test Kits: See all items

Related Searches: ammonia test kit | test kits | magnesium test kit | ammonia test
Our Price: $29.99
Item Code: EO4121
Elos Biotopus II Kit SMS with pH and Temperature Probe

Elos Biotopus II Kit SMS with pH and Temperature Probe

Biotopus II- Kit SMS- with ph and temp probe Biotopus II is a new idea: the application of a new technology. Elegant and flexible, it uses the latest technology available to provide a new concept in aquarium automation. Unlike...

Be 1st to review

Testing Equipment: See all items

Related Searches: elos | ph probes | controller | ph probe
Our Price: $2,600.00
Item Code: EO3111
Elos Biotopus II Kit Control with pH and Temperature Probe

Elos Biotopus II Kit Control with pH and Temperature Probe

Biotopus II- Kit Control- with ph and temp probe Biotopus II is a new idea: the application of a new technology. Elegant and flexible, it uses the latest technology available to provide a new concept in aquarium automation. Unl...

Be 1st to review

Testing Equipment: See all items

Related Searches: elos | elos calcium | biotopus | ph
Our Price: $1,896.00
Item Code: EO3113
Aquarium Pharmaceuticals Freshwater /Saltwater Nitrite Test Kit, Test kit of 180 tests

Aquarium Pharmaceuticals Freshwater /Saltwater Nitrite Test Kit, Test kit of 180 tests

Tests for nitrite in freshwater & saltwater aquariums. Toxic nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. This kit tests for harmful nitrite and measures levels from 0 to 5.0 ppm. ...

Avg. Customer Review (2) reviews

Test Kits: See all items

Related Searches: magnesium test kit | ammonia test kit | ap3 | ph test kit
Our Price: $6.29
Item Code: AP3111
Aquarium Pharmaceuticals Freshwater/Saltwater High Range pH Test Kit, Test kit of 250 tests

Aquarium Pharmaceuticals Freshwater/Saltwater High Range pH Test Kit, Test kit of 250 tests

Use to measure pH changes in marine aquariums, aquariums with African cichlids, and very alkaline tap water. Reads the pH of water within the high range of 7.4 to 8.8. 160 tests per kit. Freshwater/Saltwater High Range pH T...

Avg. Customer Review (4) reviews

Test Kits: See all items

Related Searches: magnesium test kit | ph test kit | ammonia test kit | test kit
Our Price: $5.29
Item Code: AP3113
Aquarium Pharmaceuticals Freshwater/Saltwater Nitrate Test Kit, Test kit of 90 tests

Aquarium Pharmaceuticals Freshwater/Saltwater Nitrate Test Kit, Test kit of 90 tests

Measures nitrate levels in both fresh & saltwater aquariums. Tests nitrate levels from 0 to 160 ppm. 90 tests per kit. Freshwater/Saltwater Nitrate Test Instructions: Why Test For Nitrate? Nitrate (NO3-) is produced in t...

Avg. Customer Review (6) reviews

Test Kits: See all items

Related Searches: magnesium test kit | nitrate | ammonia test kit | ph test kit
Our Price: $7.79
Item Code: AP3129
|<< Previous 1 2 3 4 5 Next >>|
Shopping Cart
Cart:
Subtotal:
Shipping:
Total:
167 items
$23028.61
$119.85 $23148.46
Cart:
Subtotal:
Shipping:
Total:
View Cart
Checkout
Bill Me Later We proudly accept all of these forms of payment
Free Shipping! On orders over $175.00 BBB OnLine Reliability Program BizRate Circle of Excellence - Platinum Winner
Email Specials
Subscribe to our newsletter feed.
Newsletter Tips & Tricks! New Products!
Discounts & Promos!
Subscribe
Testimonials
October 30, 2009
"Fast shipping, great prices and selection."
Bizrate Online Shopper

October 29, 2009
"Great experience. See you next time!"
Bizrate Online Shopper

October 28, 2009
"I would recommend Marine Depot to anyone looking for reasonable pricing."
Bizrate Online Shopper

Marine Depot Reef Squad
Huge Clearance Sale - Save Hundreds on: Discontinued Items, Surplus and More!