IoT tank farming for black apple snails
pH, oxygen and temperature kept in range 24/7; automatic aeration; tank cameras
- mg/L dissolved oxygen maintained
- > 4
- mg/L dissolved oxygen maintained
- months per cycle
- 3–4
- months per cycle
- target survival
- 75–80%
- target survival
Ideal for
- Farmers converting rice land or mixed gardens
- Hatcheries and grow-out farms with 10–100 tanks
Problems solved
- Snails die from low night-time oxygen and dirty water
- Staying up to check tanks and test water by hand
System details
Four layers from field devices to the phone app.
- Devices
- pH, DO, temperature, level
- Aerators, fill and drain pumps
- Tank cameras
- Edge (on the farm)
- Starts aeration on low DO, even offline
- Cloud platform
- Feeding and water-change log, night alerts
- Apps
- NG Farm, Zalo alerts
Packages and device list
Quantities scale with the size you choose. Any item can be adjusted in the formal quote.
| Item | Quantity | Unit price | Total |
|---|---|---|---|
| 4 × 8 m HDPE snail tank | 10 set | 7,500,000 ₫ | 75,000,000 ₫ |
| DO-controlled aerator | 5 set | 4,600,000 ₫ | 23,000,000 ₫ |
| Water quality sensor kit | 2 set | 14,900,000 ₫ | 29,800,000 ₫ |
| Mini 4-channel controller | 2 set | 6,900,000 ₫ | 13,800,000 ₫ |
| LoRaWAN + 4G edge gateway | 1 unit | 12,800,000 ₫ | 12,800,000 ₫ |
| Outdoor 4K IP camera | 2 unit | 3,900,000 ₫ | 7,800,000 ₫ |
| NG Farm – farm managementRecurring/yr | 12 farm / month | 490,000 ₫ | 5,880,000 ₫ |
| Installation (8%) | 12,976,000 ₫ | ||
| Survey and training | 8,000,000 ₫ | ||
| Upfront investment | 183,176,000 ₫ | ||
Reference prices (VND), excl. VAT and installation. Final quote after a site survey.
Quote this solutionHow it's built
- 1
Prepare site, build tanks
Level ground with partial shade; build frames, lay HDPE liner, fit drains.
- 2
Treat water, add plants
Fill to 0.5–0.8 m, settle pH at 7–8.5; add water hyacinth and morning glory for shade and cover.
- 3
Install aeration and sensors
Diffusers on the floor, DO/pH probes mid-tank 20 cm above the bottom.
- 4
Stock and feed
Reference density 80–100 snails/m²; feed twice daily, tapering from 5–6% to 2–3% of body weight.
Rollout plan
- Week 1
Survey and tank design
Tank count, water, power.
- Week 2–3
Build tanks, install devices
Tanks, aeration, sensors, controllers.
- Week 4
Condition water, stock
Guided by a technician.
Evaluation and acceptance
Criteria are written into the contract and measured with real data in NG Farm.
| Metric | Target |
|---|---|
| Hours with DO below 4 mg/L per month | < 2 hours |
| Survival at harvest | ≥ 75% |
| Share of log events recorded automatically | ≥ 70% |
| Devices online | ≥ 98% of the time |
FAQ
Which water parameters matter most?
Dissolved oxygen above 4 mg/L, pH 7–8.5 and 22–30 °C (common black apple snail guidance).
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