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Salt & Salinity Meters

Brand: Fluval Stock: In Stock
Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Compact and easy to use, the hydrometer can be permanently installed inside the tank for continuous readings. Its slim, low-profile design camouflages well inside the ..
£7.35
Brand: Aqua Medic Stock: In Stock
Dynamic new formulation to meet the needs of the modern reef aquarium. Blended from chemically pure raw materials with elevated levels of calcium and alkalinity reserve without chelating agents. Contains all essential trace elements and enhanced levels of strontium and iodine. Does not contain nitra..
£6.99
Brand: D&D Stock: In Stock
SEAWATER Refractometer D-D announces the release of a true ‘Seawater’ calibrated refractometer. (Includes a small vial of Di water for zero calibration) What’s different between our NEW refractometer and others you might ask? Almost all, if not all, of the refractometers currently available t..
£39.99
Seachem Reef Salt - 189 Litre (Bag)
Discontinued
Brand: Seachem Stock: Discontinued
Seachem Reef Salt is a chemically sound blend of salts designed to replicate natural reef waters. It is specifically formulated for the reef environment and will provide ideal seawater concentrations of magnesium, calcium, and strontium with proper alkalinity and pH for closed reef aquarium systems...
£18.69
Seachem Reef Salt - 600 Litre (Bucket)
Discontinued
Brand: Seachem Stock: Discontinued
Seachem Reef Salt is a chemically sound blend of salts designed to replicate natural reef waters. It is specifically formulated for the reef environment and will provide ideal seawater concentrations of magnesium, calcium, and strontium with proper alkalinity and pH for closed reef aquarium system..
£49.99
Tetra Marine Sea Salt - 4Kg
Out Of Stock
Brand: Tetra Stock: Out Of Stock
Marine Aquarium Sea Salt 4Kg Creates perfect water for marine fish and corals Replicates natural seawater for healthy fish and corals Rich in calcium and magnesium for healthy corals, shrimp, and other invertebrates No nitrates or phosphates, for cleaner water A good quality salt is the k..
£14.00
Tetra Tec Comfort Aquarium Hydrometer
Out Of Stock
Brand: Tetra Stock: Out Of Stock
Marine fish and corals require stable water conditions, which makes regular checking of salinity important. It’s also necessary to check salinity when making up new water for water changes. The TetraTec Hydrometer makes it simple to accurately check the salt content of water, giving precise readings..
£11.83
TMC AquaHabitats Hydrometer
Out Of Stock
Brand: TMC Stock: Out Of Stock
Combined aquarium Hydrometer & Thermometer.Will give a salinity reading with an accuracy of 0.002.You just need to gently lower this hydrometer into your aquarium water, the hydrometer will need to float freely without being in contact with any surface and a reading can then be taken at the leve..
£4.39
Brand: Tropic Marin Stock: In Stock
Pure, pharmaceutical grade sea salt containing all trace elements found in natural seawater.From (osmosis-) water to seawater. Tropic Marin Sea Salt 4kg is made up of all of the macro elements and trace elements in a natural balance, contained within the ocean, and it is free from artificial additiv..
£17.99
Brand: Tropic Marin Stock: In Stock
PRO-REEF Sea Salt Features:The pharmaceutical grade sea salt especially for modern reef aquaria.Tropic Marin PRO-REEF Sea Salt has been designed to meet the special requirements of reef aquariums with optimized concentrations of calcium and magnesium, which promote the growth of corals. The lower bu..
£85.00
Brand: Tropic Marin Stock: In Stock
Pure, pharmaceutical grade sea salt containing all trace elements found in natural seawater.From (osmosis-) water to seawater. Tropic Marin Sea Salt 4kg is made up of all of the macro elements and trace elements in a natural balance, contained within the ocean, and it is free from artificial additiv..
£18.99
Brand: Tropic Marin Stock: In Stock
A great salt mix for the new Aquarist designed to create perfectly natural and balanced reef conditions in the home aquarium.Phosphate and nitrate free.Tropic Marin Reef-Salt creates the ideal environment for the care of fish, corals and other invertebrates in modern reef aquaria. Use saltwater prep..
£29.00
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