🌿 Grow Monitor
Home Hydroponics — Antigua
pH
6.1
EC
857µS
Water temp
22.3°C
Ambient
23.0°C
Water level
26.5cm
95% of 28cm full
Readings
21
Plant advisor
All good
pH is at 6.1 — right in the sweet spot for lettuce. No action needed.
EC at 857 µS is well within range. Nutrients are looking good.
Water temperature is 22.3°C — ideal. Roots will be happy and dissolved oxygen should be good.
New reading
Recording at
Wed, 6 May 2026 14:34:34
Lettuce ideal: 5.5–6.5
Lettuce ideal: 800–2000 µS
Ideal: 18–24°C
Ideal: 18–28°C
Full depth for this cycle shown when saved
pH trend
pH
— — ideal range 5.5–6.5
EC trend
EC µS
Water & ambient temperature
Water temp
Ambient temp
Photo plant check
📷
Click to upload a photo of your lettuce
AI will check for health issues, deficiencies, pests, or tip burn
Photo journal — Passage 02
No photos saved yet for Passage 02.
Upload a photo in Photo Check, get the AI feedback, then save it here.
Upload a photo in Photo Check, get the AI feedback, then save it here.
Reading history — Passage 02
| Date | pH | EC µS | W.Temp | A.Temp | Level | pH↓ | Nuts | Notes |
|---|---|---|---|---|---|---|---|---|
| 6 May 26 03:45 | 6.1 | 837 | 23.0° | 25.0° | 100% | – | 10ml | added nutrients to get to ~900 EC |
| 5 May 26 10:00 | 6.0 | 775 | –° | –° | 102% | – | – | Reading after dosing 20ml total nutrients |
| 5 May 26 03:40 | 6.0 | 777 | 21.0° | 23.0° | 89% | 6.0ml | 20ml | will mix 2 buckets with ph 6 no nutrients as yet. Tap water EC is: 560 today |
| 4 May 26 03:30 | 6.2 | 751 | 20.2° | 23.0° | 98% | 2.0ml | – | |
| 3 May 26 05:20 | 6.3 | 720 | 25.0° | 27.0° | 102% | 6.0ml | – | added 2 buckets of water no nutrients |
| 3 May 26 03:25 | 6.1 | 787 | 23.0° | 25.0° | 89% | – | – | |
| 2 May 26 02:50 | 6.1 | 799 | 20.8° | 23.0° | 96% | – | – | |
| 1 May 26 08:00 | 6.2 | 754 | –° | –° | – | – | – | |
| 1 May 26 03:15 | 6.0 | 712 | 22.0° | 23.0° | 95% | 3.0ml | 10ml | added 1 red bucket of water. diluted nutrients and ph in the water |
| 30 Apr 26 02:40 | 5.9 | 720 | 19.7° | 22.0° | 91% | – | – | |
| 29 Apr 26 07:00 | 5.9 | 678 | 24.7° | 27.0° | – | 3.0ml | 20ml | added a further 10ml total to get it closer to 800. will check again in 2 hours |
| 29 Apr 26 02:45 | 6.0 | 618 | 20.0° | 21.0° | 89% | – | – | adding 1 1/2 red bucket of water ph~6 Ec~1000 roots coming out on bottom row of lettuce and a few showing on top row EC should push tank EC up slightly |
| 28 Apr 26 04:34 | 6.0 | – | 22.3° | 25.0° | – | – | – | PH is now correct. I also covered the tank with a wet hessian bag as well as shade cloth |
| 28 Apr 26 02:40 | 6.2 | 593 | 21.5° | 22.0° | 96% | – | – | I'll put 4ml ph down directly in the tank to lower ph to closer to 6 |
| 27 Apr 26 05:00 | 6.2 | 583 | 24.3° | 27.0° | – | – | – | Noticed a small leak by the exit. Switched off pump and repaired |
| 27 Apr 26 02:50 | 6.2 | 579 | 22.4° | 23.0° | 93% | – | – | added 1 red bucket. ph ~6 ec 742 |
| 26 Apr 26 02:50 | 6.2 | 583 | 20.5° | 23.0° | 98% | – | – | |
| 25 Apr 26 04:45 | 6.2 | 568 | 23.0° | –° | 100% | – | – | |
| 25 Apr 26 03:30 | – | – | –° | –° | 100% | 3.5ml | – | Toped up with water only PH 5.9. should reduce the 6.2 slightly. will check again in 2-3 hours time |
| 25 Apr 26 02:45 | 6.2 | 586 | 21.5° | 23.0° | 93% | – | – | planted seedlings at 6pm yesterday. All plants are looking good this morning. Soil is damp and not wet. |