Day 9: Growth continued, posture worsened · Autoflower Cannabis in a LetPot: Air Gap and Droop Recovery

Visual evidence

What Dud2Bud observed

Growth has continued, but posture has worsened from upright to broadly drooping. The strongest actionable hypothesis is root-zone water or oxygen balance in this lid-supported hydro setup, although the exact mechanism is not confirmed.

The canopy is larger than in the previous photo, showing continued growth over 199 hours.

New central leaves are present and remain green.

The stem is still upright and supporting the plant.

Most visible leaves now hang downward, including the outer leaves.

Some older foliage appears lighter and less vigorous than the central growth.

The root area, waterline, and solution condition remain hidden.

Active new damage

Broad leaf droop is visible across the current canopy compared with the previous photo.

Active new damage

The plant appears more burdened by canopy weight or root-zone stress than at baseline.

Old damage

The earlier single dark lower leaf is no longer the main decision signal; the current whole-canopy posture matters more.

Still uncertain

The droop could reflect water access, root oxygen balance, light demand, or normal leaf angle in this cultivar.

Still uncertain

The photo does not show roots, reservoir level, solution strength, or airflow.

Still uncertain

No user-confirmed care change is available.

Dud2Bud decision

Restore a safer root-zone balance

Broad droop is now affecting the whole canopy, and this hydroponic setup makes water contact and air space the most practical reversible factors to test first.

What to do

Make one small reservoir adjustment

Check the reservoir and adjust the solution level so it sits just below the bottom of the net pot or support, keeping a visible air gap rather than submerging the stem or entire medium.

1 Inspect the reservoir or waterline before changing anything.
2 Adjust only the solution level, not nutrient concentration.
3 Keep the plant stem and crown above the solution and preserve a small air gap below the support.

Exact change

Adjust the reservoir so solution reaches the lower root area or net-pot base without covering the stem or saturating the entire collar; keep a small air gap below the support.

Keep steady

Keep nutrient strength, light schedule, and plant position unchanged for this test.

What happened before the next photo

Topped up + added 5ml A/B each.

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Full assessment

How this photo was assessed

The report separates visible facts, possible explanations and the final care decision so uncertainty remains visible.

Visible evidence What was visible in the photo

Vigor

Concern

Growth is occurring, but current vigor is limited by a condition affecting water balance, roots, or demand.

Confidence: 78%

Color Analysis

Watch

A broad nutrient diagnosis is not supported, but root function or nutrient uptake may be limiting older foliage.

Confidence: 67%

Growth Development

Improving

The plant has continued vegetative development despite the current posture problem.

Confidence: 82%

Progress Comparison

Concern

The trajectory is mixed: development is positive, but short-term posture has worsened.

Confidence: 85%

Damage Classification

Watch

This looks more like physiological stress than clear pest damage.

Confidence: 67%

Distribution Analysis

Concern

A whole-plant process such as water access, root oxygen, or environmental demand is more plausible than isolated leaf aging.

Confidence: 76%

Possible mechanisms What could explain it

Disease

Watch

Disease or root decay cannot be ruled out, but the photo does not justify treating for it first.

Confidence: 48%

Nutrition

Watch

Nutrition may contribute, but changing nutrient strength before checking root-zone conditions would be a weak first experiment.

Confidence: 45%

Environment

Watch

Demand may have increased as the plant grew, but the hydro root zone should be stabilised before changing light or nutrients.

Confidence: 57%

Biotic Damage

Clear

Pests are not the leading explanation from this photo.

Confidence: 70%

Water Relations

Active Problem

Water access or oxygen balance is the most useful working mechanism to test today.

Confidence: 62%

Structural Analysis

Watch

Mechanical support is not the immediate issue; the posture appears physiological or demand-related.

Confidence: 65%

Decision checks Why this action was chosen

Recovery

Concern

This is not yet a recovery pattern. Growth has continued, but current stress remains active.

Confidence: 76%

Information Gap

Watch

More evidence would refine the cause, but it is not necessary before making a small reversible root-zone adjustment.

Confidence: 74%

Limiting Factor

Active Problem

Root-zone water access or oxygen balance is the leading working limitation.

Confidence: 61%

Confidence Audit

Watch

Confidence is high enough to stabilise the likely controllable factor, but not high enough to diagnose root disease or prescribe nutrient changes.

Confidence: 72%

Intervention Evaluation

Not Visible

There is no previous action to evaluate.

Confidence: 98%

Case reasoning

Cases tracked in this report

Intervening

Water access / oxygen balance stress

67% confidence

Latest intervention: None yet. A reservoir-level adjustment is recommended today.

What comes next: Adjust the reservoir level conservatively, then compare posture after about 24 hours.

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This supporting report documents the visual evidence and care decision from one point in a longer plant journey. It is not indexed separately from the main plant story.