Clay Pebbles (LECA) 15/25 mm 10L

The big chunky pebbles. These are our own Grow Pro clay pebbles (LECA) in the large 15 to 25 mm size, bagged by us in a handy 10L size. Most shops only sell this size in a 50L bag, so if you just need some for a few pots, this is your bag.

Clay pebbles are little balls of clay baked until they puff up hard and full of tiny air pockets. They do not break down, they do not turn to mush, and you can rinse them off and use them again for years. The big 15 to 25 mm size leaves lots of room for air and roots, which makes it perfect for chunky mixes and big plants.

What it is good for:

• Chunky aroid mixes and big statement plants
• Orchids and plants potted in clear pots where you want to see the roots
• A drainage layer at the bottom of pots
• Semi hydro and passive hydro setups
• A clean top dressing that keeps soil from splashing and slows down fungus gnats

How I use it: give them a good rinse before the first use, there is always some clay dust in the bag and that is normal. For semi hydro, soak them for a few hours after rinsing. In a chunky mix, I use them as one part of the blend with bark and perlite.

Good to know: pebbles hold almost no water themselves and have no food in them, they are pure structure and air. In semi hydro your plant still needs hydroponic food in the water. Reuse them almost forever, just rinse or soak between plants.

Bagged and sealed by Grow Pro at Booth 801, Oshawa Markets. Not sure which size pebble your setup wants? Come ask at the booth, plant advice is always free.