Five Star Gift Ideas

That's great! Here are some gift ideas for your grandpa, keeping in mind his love for hydroponics:

1. Hydroponic growing kit: You can gift him a hydroponic growing kit that he can use to grow his own plants indoors. There are many varieties available online that come with all the necessary components to get started.

2. Hydroponic herb garden: If your grandpa loves cooking, a hydroponic herb garden kit would be perfect. It can be used to grow fresh herbs that he can use in his cooking.

3. Hydroponic book: There are many books available on hydroponics, from beginner guides to more advanced topics. You can get your grandpa a book that covers the areas that interest him the most.

4. Hydroponic nutrients: For a more practical gift, you can get him some hydroponic nutrients that he can use to grow his plants. You'll need to know the type of plants he's growing to ensure you get the right nutrients.

5. Hydroponic light: If your grandpa's hydroponic setup needs more light, you could consider getting him a suitable light. You could choose from LED, fluorescent, or any other types of hydroponic lights available in the market.

I hope these ideas are helpful!

Or you can get him a star map with an important date you share.