The Colombo Phosphate Test Kit contains all you need for the accurate measuring of phosphate levels in ponds and both freshwater and saltwater aquariums. The Colombo PO4 Test Kit comes complete with test tube, powder and liquid reagents to provide accurate results for 40 tests.
Phosphate (chemically abbreviated as PO) is one of the waste products produced by fish. Phosphate is not toxic for fish and and thus is no di- rect problem for the health of fish like ammonia or nitrite are. Indirectly, phosphate can lead to algae problems as phosphate like nitrate is one of the key nutrients for algae and plants. Plants and algae compete with one another for nutrients and unfortunately plants can't always win this competition. In such a case algae can grow and even explode in numbers. In a pond this results in either turbid, green water or in mass amounts of thread algae. In aquaria algae can completely cover the glass, stones and even plants, leading to their death. In a marine tank algae can overgrow corals to such an extent that the corals suffocate and die. Although phosphate is basically not toxic, it is highly desirable to keep the level low to prevent algae growth. For fresh water we ad- vise a threshold of 1.0 mg/l. High Phosphate levels van be reduced with Colombo Phosphate-Ex..
Instructions For Use:
1. Take a water sample of 10ml.
2. Add 5 drops of PO4-1 test fluid and shake.
3. Add 5 drops of PO4-2 test fluid and shake again.
4. Add 2 spoons of phosphate powder and shake.
5. Wait 10 minutes.
6. Determine the PO4-value using the included colour chart.
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