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the GH-50 is easy to set and adjust to the desired temperature with the use of the temperature adjustment knob
single-bottle formulation immediately raises dissolved calcium levels and targets live rock surfaces
the GH-75 is easy to set and adjust to the desired temperature with the use of the temperature adjustment knob
Fresh Carbon Premium Activated Pelletized Carbon has a high hardness value to reduce dust
strontium and all trace elements at the same levels found in the sea
Coral Essentials Coral Power Trace A 100mL Nitrate Test the GH-50 is easy toCoral Essentials Coral Power Trace A is a blend of strontium (50,000 ppm) and barium. Strontium in natural sea water is in the order of 8 10ppm. Keeping strontium at this level is advisable and not outside the range of 5 15ppm. Anecdotal evidence has shown that strontium at below 5ppm in the marine aquarium is detrimental to coral growth. For the advanced aquarist strontium levels in marine tanks should be checked regularly to determine the take up in