Dry Goods

The importance of trace elementsBy trace elements we usually mean elements that are present in natural seawater in a concentration lower than appro...

Why is strontium required?Strontium is important for accelerating coral and calcareous algae growth.NSW (Natural Sea Water) contains approx. 7 - 9 ...

Why is strontium required?Strontium is important for accelerating coral and calcareous algae growth.NSW (Natural Sea Water) contains approx. 7 - 9 ...

Why is strontium required?Strontium is important for accelerating coral and calcareous algae growth.NSW (Natural Sea Water) contains approx. 7 - 9 ...

Why is iodine required?Corals might require iodine as a detoxifier, as a protection against UV-radiation and as a natural defense against many para...

Why are amino acids required?The skeletal material of corals is built-up with alternating layers of calcium carbonate and layers rich in amino acid...

Why are amino acids required?The skeletal material of corals is built-up with alternating layers of calcium carbonate and layers rich in amino acid...

Why are amino acids required?The skeletal material of corals is built-up with alternating layers of calcium carbonate and layers rich in amino acid...

Ammonia and ammonium are substances which should be converted rapidly into nitrite followed by nitrate and nitrogen gas.If this does not happen the...

Copper is often used as a treatment for parasite infested fish and it is essential that the correct concentration is used as too high levels can be...

Oxygen is highly essential for all life forms. Especially corals and marine fish require oxygen concentrations at saturation level. This is because...

Silicate occurs especially in tap water or in purified water when the RO or DI unit is not functioning properly. Silicate not only results in diato...

Magnesium is present in NSW in a fairly high concentration (1300 - 1400 mg/L). Magnesium is an essential part of chlorophyll, which is necessary fo...

The pH value can have a major impact on the growth of corals and calcareous algae and on many biological processes. The pH should not be allowed to...

Nitrite is a substance that is toxic to fish and invertebrates.It is a misconception that once a tank is through its cycle (first 3 or 4 weeks) tha...

Iodine is present in NSW (Natural seawater) in a very low concentration (0.06 mg/L or 0.06 ppm).Iodine occurs as different species. Some of them ar...

Since the growth of corals and calcareous algae goes hand in hand with strontium and calcium depletion, depletion of calcium usually means depletio...

The Potassium reef test can be performed in about 90 seconds. This tritactic test kit has a sharp colour change, going from yellow to blue, when yo...

Why is iodine required?Corals might require iodine as a detoxifier, as a protection against UV-radiation and as a natural defense against many para...

Why is iodine required?Corals might require iodine as a detoxifier, as a protection against UV-radiation and as a natural defense against many para...

KH & Alkalinity TestingCalcium alone cannot form the skeletal material of corals and allow calcareous algae to grow. Some other substances are ...

Calcium TestingCalcium is a major constituent of calcareous algae, skeletal material of hard corals and the skeletal needles of soft/leather corals...

Nitrate TestingWhen an aquarium has insufficient regions deprived of oxygen (= anaerobic zones) or denitrification proceeds incompletely then nitra...