Salifert Fresh PO4 Test - Phosphate (PO4) Test for Freshwater Aquariums

Salifert Fresh PO4 Test

Salifert Fresh PO4 Test is a drop test for measuring phosphate (PO4) in freshwater aquariums. Monitoring PO4 is important in planted tanks because phosphate is a key nutrient, while excessive levels can contribute to unwanted algae growth. This test supports routine water testing during fertilising, water changes and general aquarium maintenance.

What the test measures

- Phosphate: PO4

Key features

- Drop test for freshwater phosphate testing
- Useful for planted aquariums and fertiliser control
- Helps identify elevated PO4 levels in freshwater tanks
When to test

- During fertilising and planted aquarium maintenance
- If algae issues appear or water parameters fluctuate
- Before and after water changes
- After changes in feeding or stocking that may affect phosphate levels

How to use

- Take a water sample in the test vial as per the manufacturer’s instructions
- Add the reagents, mix, and wait for the reaction time
- Compare the colour to the chart to read the result

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