
Study brief
Internal field observation · India · 2023
Total ammonia and nitrite readings
Chinakapavaram, Andhra Pradesh · 2.02 ha pond · Ecofresh Power Pro Tabs
Reported results
| Ammonia (kit), day 30 → 65 | 1.2 → 0.1 ppm |
|---|---|
| Nitrite, day 30 → 65 | 0.32 → 0.05 ppm |
| Pond area | 2.02 ha |
Context
Weekly kit readings from one pond. Values reflect total ammonia as measured by the kit, not un-ionised ammonia, and there was no untreated control.
Method
- API aquarium-style test kit, readings taken weekly.
- Source: internal Ecofresh test report, pp. 22–25.
Limits
- No untreated control pond.
- Colorimetric kit readings, not laboratory analysis.
- Internal observation — not independent, not peer reviewed.
Source: Blueweight internal technical report, Andhra Pradesh, 2023