In a marine aquarium strontium plays an important role in accelerating the growth of coral and calcareous algae and natural sea water contains approx. 7 - 9 mg/L strontium.
Strontium is very difficult to test for, but if there is found to be a depletion of calcium in the aquarium then strontium levels are likely to be very low as well. It is advisable to maintain a strontium concentration of between 5 and 20 mg/L.
Salifert was the first to introduce a strontium test kit and this test measures both ionically free and moderately complex strontium in increments of 5 mg/L.
Sufficient for up to 25 tests.
Marine use only.
$25.30Seachem MultiTest Marine pH & Alkalinity
$25.30Seachem MultiTest Iodine/Iodide
$25.30Seachem MultiTest Copper
$25.30Seachem MultiTest Phosphate
This kit measures inorganic phosphate to less than 0.05 mg/L, producing a unique easy to read yellow-green-blue color range in marine and freshwater. MultiTest™ Phosphate performs over 75 tests and contains a reference sample for validation. Range: 0–3.0 mg/L. Precision: 0.001–0.1 mg/L.