The aquatic habitat is determined by a variety of physical, chemical, and biological factors. A change in these parameters always has an impact on the inhabitants of the habitat.
| Parameter | Abbreviation / Symbol | Guideline values for carp | Limit values (TVO, 1990, 2001) (Drinking Water Ordinance) |
|---|---|---|---|
| pH value | pH | 6.5–8.5 | 6.5–9.5 |
| Conductivity (20°C) | LF | 1000 µs/cm | 2500 µs/cm (corrosion protection) |
| Total hardness | °dGH | 5–15° dH | – |
| Ammonium | NH4+ | < 0.1 mg/l | max. 0.5 mg/l |
| Nitrate | NO3– | < 100 mg/l | max. 50.0 mg/l |
| Nitrite | NO2– | < 0.1 mg/l | max. 0.5 mg/l |
| Phosphate | PO43- | < 0.2 mg/l | max. 6.7 mg/l |
| Chlorine | Cl2 | < 0.02 mg/l | max. 0.1 mg/l |
| Iron | Fe | < 0.9 mg/l | max. 2.0 mg/l |
| Copper* | Cu | < 0.04 mg/l | max. 2.0 mg/l |
| Manganese | Mn | < 0.1 mg/l | max. 0.05 mg/l |
| Contamination levels | Colony count (CFU/ml) | Enterobacteria (CFU/ml) | Pseudomonads / Aeromonads (CFU/ml) | Remarks |
|---|---|---|---|---|
| natural baseline level | < 300 | 0 – 5,000 | 0 – 5,000 | very good |
| low contamination | 300 – 800 | 0 – 5,000 | 0 – 5,000 | good |
| moderate contamination | 800 – 30,000 | 0 – 5,000 | 0 – 5,000 | harmless |
| significant contamination | 30,000 – 80,000 | 5,000 – 10,000 | 5,000 – 10,000 | concerning |
| heavy contamination | 80,000 – 400,000 | 5,000 – 10,000 | 5,000 – 10,000 | critical |
| very heavy contamination | 400,000 – 1,000,000 | > 10.000 | > 10.000 | take remedial action |
| extremely heavy contamination | > 1.000.000 | > 10.000 | > 10.000 | take immediate remedial action |
| Services | Digital order | Paper order |
|---|---|---|
| Price | from €9.50 | from €11.70 |
| Payment | Advance payment | Invoice |
| Processing time | 2–3 days | 2–3 days |
| Consumables | subject to a fee | free of charge |
| Authenticity check | Yes | Yes |
| Processing status information | Yes | Yes |
The aquatic habitat is determined by a variety of physical, chemical, and biological factors. A change in these parameters always has an impact on the inhabitants of the habitat.
Label a clean paper bag or envelope with the order’s position number
For each bird, we require 2-3 freshly plucked feathers (approx. 3-4 cm in size); shed feathers cannot be used.
Please send the samples and the order form to:
Tauros Diagnostik GbR
Niederwall 5
D-33602 Bielefeld
You will be automatically informed about the processing status; after 2–3 days, the result will be available in your account.
You can complete the order directly on your PC or by hand directly on the printed order form.
Label a clean paper bag or an envelope with the order position number.
We require 2-3 freshly plucked feathers (approx. 3-4 cm in size) per bird; molted feathers cannot be used.
Please send the samples and the order form to:
Tauros Diagnostik GbR
Niederwall 5
D-33602 Bielefeld
You will be automatically informed of the processing status. Results will be sent to you via email or postal mail within 2-3 days.
