Keep permanent Tank/System IDs on labels and records. Stock shows recorded batch counts, not an automatic live census. Verify counts physically; keep planning estimates in your business plan.
Stock
No stock added yet
Add a batch of fish, shrimp or prawns to a tank or pond.
Tanks & ponds
Water quality
RAS Tank 1
Tilapia · Recirculating tank · 1,200 gal
pH
7.1
target 6.5–8.5
NormalDO mg/L
6.4
target ≥ 5
NormalTemp °F
81.2
target 65–88
NormalAmmonia
0.25
target ≤ 0.5
Normal| When | Temp | pH | DO | NH₃ |
|---|---|---|---|---|
| Today | 81.2° | 7.1 | 6.4 | 0.25 |
| Yesterday | 80.9° | 7 | 6.8 | 0.25 |
| 2 days ago | 80.6° | 7.1 | 6.6 | 0.25 |
| 3 days ago | 80.3° | 7.2 | 7 | 0.25 |
| 4 days ago | 80° | 7 | 6.9 | 0.25 |
| 5 days ago | 79.7° | 7.1 | 7.1 | 0.25 |
| 6 days ago | 79.4° | 7.2 | 7 | 0.25 |
Back Pond
Channel catfish · Earthen pond · 0.5 acre
pH
7.8
target 6.5–8.5
NormalDO mg/L
4.1
target ≥ 5
Action neededTemp °F
84.5
target 65–88
NormalBack Pond: Dissolved oxygen low (4.1 mg/L)Action needed
What should I do?| When | Temp | pH | DO | NH₃ |
|---|---|---|---|---|
| Today | 84.5° | 7.8 | 4.1 | — |
| Yesterday | 84° | 7.7 | 4.9 | — |
| 2 days ago | 83.5° | 7.6 | 5.4 | — |
| 3 days ago | 83° | 7.6 | 5.8 | — |
| 4 days ago | 82.5° | 7.5 | 6.1 | — |
| 5 days ago | 82° | 7.5 | 6.3 | — |
| 6 days ago | 81.5° | 7.4 | 6.2 | — |
Tank 4
Tilapia (grow-out) · Recirculating tank · 800 gal
pH
8.9
target 6.5–8.5
Action neededDO mg/L
6.8
target ≥ 5
NormalTemp °F
80.1
target 65–88
NormalAmmonia
0.6
target ≤ 0.5
Action neededNitrite
0.1
target ≤ 0.5
NormalNitrate
40
target ≤ 100
NormalAlkalinity
70
target 50–250
NormalTank 4: pH high (8.9)Urgent
Tank 4: Total ammonia (TAN) high (0.6 mg/L)Action needed
What should I do?| When | Temp | pH | DO | NH₃ |
|---|---|---|---|---|
| Today | 80.1° | 8.9 | 6.8 | 0.6 |
| Today | 79.4° | 7.2 | 7.2 | — |
| Yesterday | 79.30000000000001° | 7.2 | 7 | — |
| 2 days ago | 79.2° | 7.1 | 7.1 | — |
| 3 days ago | 79.10000000000001° | 7.3 | 7.3 | — |
| 4 days ago | 79° | 7.2 | 7.1 | — |
| 5 days ago | 78.9° | 7.2 | 7.2 | — |
| 6 days ago | 78.80000000000001° | 7.1 | 7 | — |
Use "Log water reading" (or the + button) to record pH, temperature and oxygen. Default ranges are generic starting points for warm-water fish, not universal rules — set your own per system.