Order By Item Number Order By Phone
Marine Depot HomeHome
Marine Depot's SpecialsSpecials
Marine Depot LiveLivestock
Marine Depot's New ItemsNew Items
Aquatic EducationEducation
Marine Depot ForumsForums
Help and InformationHelp & Info
New Customer? Register | Sign In
Narrow Your Search
Saltwater Aquarium Supplies
Additives (14)
Aquariums (1)
Clearance (1)
Filters (2)
Lighting (2)
Reverse Osmosis (7)
Salt Mix (3)
Testing Equipment (1)
Test Kits (11)
 
Shop By Brand
Aquarium Pharmaceu... (5)
Blue Life USA (1)
Brightwell Aquatic... (2)
Deltec (3)
E.S.V. (1)
EcoSystem Aquarium (2)
Elos USA (3)
Hagen (1)
Hanna Instruments (1)
KNOP (1)
Korallin (1)
Pentair, Rainbow L... (2)
PFO Lighting (2)
Red Sea (3)
Salifert (2)
Seachem (2)
SpectraPure (7)
Tropic Marin (1)
Warner Marine Rese... (1)
 
Browse by Price
$10 or less $10-$25 $25-$55 $55-$345 $345 and more
 

Top sellers
Elos Aqua Test Kit - Magn... E.S.V. B-Ionic Magnesium ... Red Sea Magnesium Test La... D-D H2Ocean Magnesium Pro... Seachem Reef Status: Magn... Aquarium Pharmaceuticals ...
 
 
Aquarium Supplies  
Additives

Air Pumps

Aquariums

Books & Cd's

Calcium Reactors

CO2 Regulator Kits

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 Store

Coral Propagation

Clearance

Gift Certificates

Home » Saltwater Aquarium Supplies » 41 items found
Selected Filters:
 Search Term: magnesium test kit
  Search my results:  Sort By: Display items:
|<< Previous 1 2 3 Next >>|

Salifert Magnesium Test Kit

Salifert Magnesium Profi-Test Magnesium is present in natural sea water in a fairly high concentration (1350 - 1500 mg/L) and is an essential element of chlorophyll which is necessary for photosynthesis. Without photosynth...

Avg. Customer Review (6) reviews

Test Kits: See all items
Our Price: $29.99
Item Code: SF1125

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 (10) reviews

Test Kits: See all items
Our Price: $27.99
Item Code: EO4129

Red Sea Magnesium Test Lab Test Kit

Red Sea`s Test Labs come in a unique package that easily transforms into a user friendly workstation. The wide color gradations of the tests have been developed for easy determination of the result. Each lab includes full instruct...

Avg. Customer Review (3) reviews

Test Kits: See all items
Our Price: $15.99
Item Code: RS3133

Tropic Marin Calcium / Magnesium Test Kit

For measuring magnesium and calcium concentrations in seawater. Magnesium and calcium concentrations and the ratio between these two elements are constantly changing in marine aquariums due to assimilation into the skeletons of c...

Avg. Customer Review (4) reviews

Test Kits: See all items
Our Price: $32.99
Item Code: TP4117

Seachem Reef Status: Magnesium, Carbonate, Borate, Alkalinity Test Kit

SeaChem Reef Status Magnesium Testing (includs tests for Borate and Carbonate) Four kits in one! Tests for magnesium through a titration based procedure in increments of 12.5 mg/L. Tests for carbonate alkalinity, borate alka...

Avg. Customer Review (6) reviews

Test Kits: See all items
Our Price: $34.49
Item Code: SC4119

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 (3) reviews

Test Kits: See all items
Our Price: $6.99