fix(seed): Adjust Nutrient Management for 16-gal Test Stock

- Updated seed.js task to reflect 16-gallon test stock protocol (scaling factor 0.32)
- Updated Spec 006 with 16-gallon protocol details
- Updated validation targets (EC ~2.9 for Part A, ~1.69 for Part B/PZ)

backend/prisma/seed.js

@@ -334,12 +334,12 @@ async function main() {
 
     // Front Row Ag 3-2-2 Mixing Task
     const nutrientMixTask = {
-        title: `${DEMO_PREFIX} Mix Nutrient Stock - Week 4 Flower`,
-        description: `Follow 3-2-2 Protocol (50gal Drum):
-1. Part A: 3 Bags (75lbs) -> Mix 15m
-2. Part B: 2 Bags (50lbs) + 6lbs Phoszyme -> Mix 15m
-3. Bloom: 2 Bags (50lbs) -> Mix 15m
-Validate pH 5.8-6.0 before plumbing to Dosatron.`,
+        title: `${DEMO_PREFIX} Mix Nutrient Test Stock (16 gal)`,
+        description: `Follow 16-gal Test Stock Protocol (Scale 0.32):
+1. Part A Stock: Dissolve 24 lbs Part A into 16 gal RO. (Target EC ~2.9)
+2. Part B Stock: Dissolve 16 lbs Part B + 864g PhosZyme into 16 gal RO. (Target EC ~1.69)
+Procedure: Fill 8gal, add dry (5min), top up, mix 10min.
+Validation: Test 250ml stock in 5gal RO.`,
         status: 'PENDING',
         priority: 'HIGH',
         dueDate: new Date(Date.now() + 4 * 60 * 60 * 1000) // Due in 4 hours

docs/specs/006_cultivation_management.md

@@ -14,21 +14,18 @@ The Cultivation Management system is the core operational module for tracking pl
 
 To ensure consistency across large reservoirs, we utilize the "3-2-2 Stock Concentrate" method.
 
-**Stock Concentrate Recipes (50 Gallon Drum):**
+**Production Stock (50 Gallon Drum):**
 
-1. **Part A Stock:**
-    - 3 Bags (75 lbs) Front Row Ag Part A.
-    - Fill with RO Water (~71°F).
-    - Mix for 15+ minutes.
-2. **Part B Stock:**
-    - 2 Bags (50 lbs) Front Row Ag Part B.
-    - 6 lbs (2.7 kg) Phoszyme (Pre-dissolved if possible).
-    - Fill with RO Water.
-    - Mix for 15+ minutes.
-3. **Bloom Stock:**
-    - 2 Bags (50 lbs) Front Row Ag Bloom.
-    - Fill with RO Water.
-    - Mix for 15+ minutes.
+- **Part A:** 3 Bags (75 lbs). Target EC ~2.9.
+- **Part B:** 2 Bags (50 lbs) + 6 lbs Phoszyme. Target EC ~1.69.
+- **Bloom:** 2 Bags (50 lbs).
+
+**Test Stock Protocol (16 Gallon):**
+Used for small scale trials. Scaled by 0.32 (16/50).
+
+- **Part A Stock:** 24 lbs Part A into 16 gal RO.
+- **Part B Stock:** 16 lbs Part B + 864g PhosZyme into 16 gal RO.
+- **Procedure:** Fill canister to 50% (8 gal), add dry product over 5 mins, top up to 16 gal, mix for 10 mins.
 
 ### 2.2 Dosing & Validation