Hanna phosphate checker showing a reading of 0.47 ppm. Phosphate checkers can be used to measure phosphate levels in marine and freshwater systems. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Davies, Andy |
Bildgröße: | 6048 px × 4024 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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