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GuanoRomano 🌱 Week 0 – Germination / Seedling Start
Medium: coco + perlite
Pot size: 11L
Lighting: LED at 25% / 45 cm
Photoperiod: 18/6
📅 Daily Log
Pre-watering (Day -1): Substrate pre-soaked with pH 5.8, EC 700 → runoff pH 6.5, EC 1200.
09/11: Germinated seeds planted. Watered 20 ml at pH 5.8, EC 700. Added some Great White mycorrhizae before planting.
09/12: Watered 10 ml at pH 5.7, EC 350.
09/13: Seedling emerged 🎉. Watered 10 ml around seedling at pH 5.7, EC 350, twice.
09/14: Watered 30 ml twice at pH 5.8, EC 0.4. Seedlings starting to stretch, dimmer raised to 50%.
09/15: Watered 40 ml twice at pH 5.8, EC 0.5. Still stretching and leaning towards the light. Lamp raised to 80 cm, dimmer increased to 70% (~PPFD 120–200).
09/16: Watered twice, total 100 ml at pH 5.7, EC 650.
09/17: Watered twice, total 150 ml at pH 5.7, EC 650. Second set of leaves starting to show 🌱. Noticed small bugs, likely fungus gnats from the coco. Placed yellow sticky traps and will wait longer before next watering to let the coco dry out.
📝 Notes
Healthy progress: seedlings are now developing their second node.
Slight stretching under control after light adjustments.
First pest signs: possible fungus gnats → added sticky traps and adjusting watering schedule.
Using osmosis water, supplementing with Cal/Mag at every watering.