Dutch buckets indoor growing buckets make hydroponics a cinch. The Dutch Bucket's efficient internal draining system - using just two elbows - recirculates water and nutrients, ensuring plants have a constant supply of fresh solution. The 11-litre food-grade polypropylene buckets are perfect for vining crops like tomatoes, cucumbers and peppers, and can support one to four plants each. Simply arrange the buckets on benches or floors, connect the supply and drainage lines, fill them with nutrient solution and insert your seedlings.