Overview
- External ontology
- UTEX:soilwater-vt-medium (source link unavailable) — Soilwater: VT Medium
- Applications
-
- Algae cultivation
- Phytoplankton culture
- Microalgae research
- Notes
- UTEX prepares Soilwater: VT Medium by substituting Vermont Soil for garden-type soil and steaming it with dH2O.
Composition
flowchart LR
CultureMech_000231["soilwater_vt_medium"]
ing0_Vermont_Soil["Vermont Soil"]
CultureMech_000231 --> ing0_Vermont_Soil
ing1_dH2O["dH2O"]
CultureMech_000231 --> ing1_dH2O
CHEBI_15377["CHEBI:15377"]
ing1_dH2O -.-> CHEBI_15377
Ingredients (2)
| # | Ingredient | Concentration | Ontology | Notes |
|---|---|---|---|---|
| 1 | Vermont Soil | 1 tsp per 200 mL VARIABLE | UTEX lists 1 tsp Vermont Soil per 200 mL final medium. | |
| 2 |
dH2O
H2O 18.015 g/mol
|
1000 ML_PER_L |
CHEBI:15377
water
|
Converted from 200 mL dH2O per 200 mL final medium. |
Preparation
- Combine Vermont Soil and dH2O.
- Cover and steam for two consecutive days for 3 hours on each day.
- Refrigerate for at least 24 hours, then bring to room temperature before use.
Target organisms
No target organisms are recorded.
Provenance
| Timestamp | Curator | Action | Notes |
|---|---|---|---|
| 2026-01-28T00:00:00+00:00 | utex-import | Imported from UTEX Culture Collection | Source ID: soilwater-vt-medium, URL: https://utex.org/products/soilwater-vt-medium |
| 2026-03-13T06:18:53.648839Z | culturemech-id-assigner-v1.0 | Assigned CultureMech ID | Assigned stable identifier: CultureMech:000231 |
| 2026-03-17T19:45:04.560661+00:00 | normalize_media_names_to_snake_case.py | NAME_NORMALIZED | Normalized name from "Soilwater: VT Medium" to "soilwater_vt_medium" for consistent matching |
| 2026-05-16T09:02:56.138318+00:00 | migrate_legacy_fields.py | MIGRATED_LEGACY_FIELDS | curation_history.date->timestamp=1; references.reference_id->reference=2; category->lowercase=1 |
| 2026-05-16T09:11:01.354129+00:00 | migrate_preparation_steps.py | MIGRATED_PREPARATION_STEPS | instruction->action+description for 9 step(s) |
| 2026-08-30T00:58:31.008615+00:00 | repair_utex_ingredients.py | REPAIRED_UTEX_COMPOSITION | Restored 2 ingredient name(s) and amount(s) from a re-fetched UTEX capture. The original fetcher read fixed column positions, so the row ordinal was stored as the ingredient name, the component name as the amount, and the Amount column was never read; concentration was then filled in as G_PER_L regardless. Source: https://utex.org/pages/algal-culture-media, captured 2026-08-29T17:46:40.207779. |
| 2026-09-06T00:00:00-07:00 | repair_utex_remaining_score50.py | RESOLVED_UTEX_SCORE50_ALGAE_GRAPH | UTEX prepares Soilwater: VT Medium by substituting Vermont Soil for garden-type soil and steaming it with dH2O. |