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How does the size of pebbles impact plant growth in hydroponics?

How does the size of pebbles impact plant growth in hydroponics?

The size of pebbles, also known as Clay Balls, can influence water retention, aeration, and root penetration. Smaller pebbles may retain more water but provide less aeration, while larger pebbles may provide more aeration but less water retention. The best size often depends on the specific plant species and its needs.