Refill Kit – Test Tube Hydroponics
Keep your hydroponics experiments growing! This refill kit provides fresh consumables so you can run the Test Tube Hydroponics activity again with a new class. It’s a cost-effective way to continue exploring plant growth without soil while reusing your existing test tubes and starter trays.
Perfect for teachers who already own the full Test Tube Hydroponics Kit, this refill makes it simple to prepare for another 35 students.
Refill Kit Contents
- Rock wool cubes
- Soybean seeds
- Plant tags
- Pipettes
- Instructions for setup and activity
Includes enough materials for 35 students.
Classroom Tip
Clean and sanitize your original test tubes and seed-starter trays before reusing them. Pre-soak rock wool and discuss with students why hydroponics is used in greenhouses and vertical farms to conserve space and water.
Ordering Options
Need the complete setup? Purchase the full Test Tube Hydroponics Kit to get test tubes, starter trays, and all other durable components.
