WEEDOOR Below is the complete, structured ingredient list for the living soil medium, including base materials, minerals, slow-release amendments, and supplements used throughout the grow cycle for two 15-liter fabric pots.
1. Base Mix Skeleton (~30 Liters Total / ~15 Liters per Pot)- The foundational base mix provides aeration, moisture retention, and organic microbial habitat
50/50 Coco-Coir & Perlite: 12 Liters total (6 L per pot; ~40% of volume)
Premium Worm Castings (Worm Humus): 8 Liters total (4 L per pot; ~27% of volume)
Pure Light Peat Moss: 5 Liters total (2.5 L per pot; ~17% of volume)
Pumice (1–3 mm): 3 Liters total (1.5 L per pot; ~10% of volume)
Bokashi Biochar: 1.5 Liters total / ~650–750 g (0.75 L / ~350 g per pot; ~5% of volume)
2. Minerals & Buffers (Mixed Throughout the Entire Soil Volume)
Agricultural Gypsum: 120 grams total (60 g per pot) — provides calcium and sulfur without altering pH, balancing the Ca:Mg ratio to 6:1–8:1
Dolomite: 50 grams total (25 g per pot) — acts as a pH buffer to neutralize acidic peat and biochar while supplying secondary Ca and Mg
Crushed Zeolite: 450 grams total (225 g per pot) — high cation exchange capacity (CEC) mineral that traps ammonium and potassium to prevent leaching
Azomite: 60 grams total (30 g per pot) — provides trace elements and silica in controlled micro-doses
3. Slow-Release Base Fertilizers (Mixed in Bottom 50% / 7.5L per Pot)
Blended exclusively in the lower half of each pot to prevent young root burn.
Perfect Blend 4-4-4: 200 grams total (100 g per pot) — balanced organic fertilizer with built-in mycorrhizae and 4-month slow-release nitrogen.
KAL Bone Meal (3-15-0): 50 grams total (25 g per pot) — slow-release phosphorus source kept at a low dose to avoid suppressing mycorrhizal colonization.
Ground Alfalfa: 80 grams total (40 g per pot) — slow-release nitrogen for the second half of the cycle, containing natural triacontanol growth stimulant.
Neem Cake (Optional): 60 grams total (30 g per pot) — additional slow-release nitrogen and natural pest suppression against fungus gnat larvae.
4. Planting Day & Surface Mulch
Endo-Mycorrhizae (Glomus/Rhizophagus): 3–5 grams per pot — applied directly inside the planting hole in physical contact with the roots.
Planting Hole Pocket: ~0.5 Liters per pot — unfertilized base mix to protect young seedlings from early nutrient burn.
Organic Surface Mulch (Barley Straw / Hay): ~3–4 Liters per pot (2–3 cm layer) — maintains surface moisture for top-dressings and fungal biology while deterring fungus gnats.
5. Additives & Supplements Throughout the Grow Cycle.
Freshly Ground Pilsner Malted Barley: 20–25 grams per pot — top-dressed under the mulch (at Week 3 and Week 8–9) to supply enzymes (amylase, protease) that accelerate organic matter breakdown.
Acadian Kelp Extract (Soluble Powder): 3 grams per Liter of water — applied via manual watering every 2 weeks starting Week 4 as the main potassium and trace element booster for flowering.
Unsulfured Blackstrap Molasses: 5 mL per 4 Liters of water (1.25 mL/L) — feeds soil microbiology during manual watering (never used in automatic drip lines).
Mid-Cycle Top-Dressing (Week 6): 50 grams Perfect Blend 4-4-4 + 25 grams Dry Kelp Meal/Extract per pot — scratched into the top 2 cm under the mulch to sustain flowering through Week 14.
The growing medium underwent a three-week curing process, which included mixing, irrigation as needed, and monitoring of pH and EC levels, until it reached a state suitable for planting.
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