TetraTec Comfort Hydrometer (T722)Marine fish and corals require stable water conditions, which makes regular checking of salinity important. Its 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 over a wide temperature range (20 - 29°C). It works by measuring the specific gravity (relative density) of the water, and converting this to salinity. All you need to do is fill up the hydrometer with water, and read the value off the scale printed on the side.
AquaVital Floating Hydrometer Thermometer (80352)An easy to ready floating thermometer and hyrdometer in one, which will tell you the salinity for your marine aquarium, whilst also giving you a temperature reading too.
Tropic Marin Bio-Actif System 10kg Sea Salt For 300 Litres
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Product Code: 6241 EAN: 619106103104
Tropic Marin Pro-Reef Sea Salt contains all 70 trace elements which are normally found in natural sea water.
Salt is very important if you have marine fish or are setting up a marine aquarium as the fish, corals and live rock all need it to survive.
Tropic Marin sea salt contains no nitrites or phosphates and higher levels of magnesium and calcium.
With a higher dKh and pH buffering capacity making water conditions stable for even the most delicate of corals.
With a consistent mix of ingredients in every box or tub which makes it ready to use with RO Water.
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