halatool 10lb leca clay pebbles for plants 4mm-16mm clay balls hydroton leca balls for indoor plants hydroponic growing gardening orchids drainage decoration aquaponics is up for auction in Patio, Lawn & Garden. The current bid is $3.50, 86% below the $25.78 MSRP, in New/Like New condition. Bid on this item at our Mansfield - Lexington Ave location before the auction closes.