Hydroponics Lab - THAMES & KOSMOS
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Product Information
Full details
The THAMES & KOSMOS Hydroponics Lab is an ideal educational kit for young budding scientists and gardeners interested in exploring plant biology through soil-free cultivation. This hands-on set provides everything required to build a personal greenhouse and observe root development, though it requires patience and consistent monitoring to successfully bring the included salad greens to harvest.
All features
| Model Part Number | 550077 |
|---|---|
| Brand | THAMES & KOSMOS |
Extended Product Information
FAQs
Does this kit include everything needed to grow the plants?
Yes, it includes the greenhouse structure, cotton media, wicks, and a packet of salad green seeds.
Can I reuse the kit for other plants?
Yes, once you harvest the salad greens, you can clean the components and use your own seeds or replacement cotton to start a new crop.
Is soil required at any point?
No, this kit is specifically designed to demonstrate hydroponics, which is the practice of growing plants without soil.
How long does it take for the greens to be ready?
Depending on light and temperature, most salad greens will show significant growth within a few weeks, though full harvest time varies.
Is the manual suitable for children to read alone?
The manual is designed to be accessible for kids, though younger children may need adult supervision during initial setup.
Troubleshooting
Seeds are not germinating
Ensure the cotton medium is damp but not soaked, and verify the unit is placed in a warm, well-lit environment.
Mold or algae forming in the reservoir
Empty the water, rinse the reservoir thoroughly, and ensure the unit is not sitting in direct, scorching sunlight.
Seedlings look weak or thin
This is often caused by 'stretching' for light. Move the greenhouse closer to a brighter, indirect light source.
Pros and Cons
Pros
- Clean, soil-free planting process suitable for indoor use
- High-quality educational manual promotes scientific literacy
- Includes all necessary observation tools like a magnifying glass
- Compact footprint fits easily on windowsills or desks
Cons
- Requires significant time for seeds to germinate and reach harvest size
- Results are dependent on light and temperature conditions
- The plastic components require gentle handling during assembly
Setup, Compatibility & Care
- Assembly: Carefully snap the greenhouse panels together according to the manual illustrations to avoid cracking the plastic.
- Hydration: Ensure the wicks are properly submerged in the reservoir. Use the pipette to add water to the cotton medium without flooding it.
- Placement: Set the unit in an area with consistent light and stable room temperatures. Avoid drafty areas or direct high-intensity sun which can cause algae growth.
- Maintenance: Change the water in the reservoir every few days to keep it fresh. If you notice discoloration or buildup on the cotton balls, carefully clean or replace the media.