ATI, the German company most well-known for its T5 lighting products, has just released an exciting new test kit, the ATI Lab Test Kit for ICP-OES Complete Water Analysis. Available through Marine Depot for $39.99 (and free shipping), the water testing service “measures 43 different water parameters using an ARCOS II ICP-OES (Inductively Coupled Plasma – Optical Emission Spectrometry) machine along with two other test techniques to provide you with a complete and comprehensive water analysis. Results are available online and future tests are recorded in your profile so you can chart your tank’s history.” In addition, “The ARCOS II ICP-OES machine can detect trace element concentrations in your aquarium water down to 1 µg/l (0.001 mg/l). Measurements are affected by salinity so that readings are accurate and results can be counted on with complete certainty.” I think that this is a fantastic kit for anyone interested in maintaining optimal parameters in their home (or office) reef tank, and its potential to save time, money, and headaches is enormous! The parameters covered by the kit are salinity, ammonia, nitrate, nitrite, phosphate, calcium, alkalinity, magnesium, potassium, iodine, silica, copper, stronium, molybdenum, boron, iron, chloride, sodium, sulphur, bromine, aluminum, antimony, arsenic, barium, beryllium, bismuth, cadmium, chromium, cobalt, lead, lithium, manganese, mercury, nickel, phosphorus, selenium, silicon, silver, titanium, tin, vanadium, and zinc.