Welcome to Ralph's Green Thumb

Discover the art of hydroponics and grow your own vegetables at home using water.

Hydroponics Lab

About Ralph's Green Thumb

At Ralph's Green Thumb, we believe anyone can grow fresh vegetables at home. Let us show you how!

How It Works

Learn step-by-step how to build your own hydroponics system.

Peppers

Optimal growth conditions: Warm temperatures, nutrient-rich water.

Lettuce

Optimal growth conditions: Cool temperatures, nutrient-rich water.

Cucumbers

Optimal growth conditions: Warm temperatures, lots of light.