Getting Started with Hydroponic Growing

Hydroponics is one of the fastest-growing methods of plant cultivation, and for good reason. By growing plants without soil, you can achieve faster growth rates, higher yields, and complete control over your plant's nutrition.

What Is Hydroponics?

Hydroponics is the practice of growing plants in a nutrient-rich water solution instead of soil. The roots are supported by an inert growing medium like clay pebbles, rockwool, or perlite, while nutrients are delivered directly through the water.

Why Choose Hydroponics?

There are several compelling reasons to grow hydroponically:

• Faster growth: Plants can grow up to 30-50% faster than in soil
• Higher yields: Many growers report 20-30% higher yields
• Water efficiency: Uses up to 90% less water than soil growing
• Space efficiency: Perfect for indoor growing and small spaces
• Year-round growing: Not dependent on seasons or weather

Choosing Your First System

For beginners, we recommend starting with one of these three systems:

Deep Water Culture (DWC)

The simplest active hydroponic system. Plants sit in net pots with roots suspended in aerated nutrient solution. A basic DWC setup costs under $30 and can be built in an afternoon.

Kratky Method

Even simpler than DWC — no pump, no electricity needed. Fill a container with nutrient solution, suspend your plant above it, and let the roots grow down. As the plant drinks, an air gap forms that provides oxygen to the roots.

Nutrient Film Technique (NFT)

A thin stream of nutrient solution flows over the roots in a sloped channel. More advanced but excellent for leafy greens and herbs.

Essential Equipment

To get started, you'll need:

1. Container or system — A 5-gallon bucket for DWC, or a mason jar for Kratky
2. Net pots — To hold your plants (2-inch or 3-inch)
3. Growing medium — Clay pebbles or rockwool cubes
4. Nutrients — A complete hydroponic nutrient solution (2-part or 3-part systems offer flexibility to adjust ratios)
5. pH test kit — pH management is critical in hydroponics
6. pH adjusters — pH Up and pH Down solutions

Your First Grow

Start with lettuce or herbs — they're forgiving, grow fast, and taste great. Follow these steps:

1. Set up your system and fill with clean water
2. Add nutrients according to the manufacturer's instructions
3. Adjust pH to 5.5-6.5
4. Transplant seedlings or place seeds in rockwool
5. Check pH and water level daily (pH can shift 1-2 units per day in hydroponic systems)
6. Harvest in 4-6 weeks from transplant (8-10 weeks from seed)

Next Steps

Once you've completed your first grow, explore our Nutrient Manager to dial in your feeding schedule, or browse our Plant Database for specific growing requirements for 350+ plants.