Viastone, an incredibly useful growing medium derived from clay. Clay itself is renewable and plentiful, making Viastone a premium growing medium due to its ecologically sustainable quality. Use Viastone virtually anywhere: the greenhouse, propagation systems, outdoor gardening, around shrubs and trees, compost aeration, rooftop gardening, house plants, hydroponic growing, etc. When estimating necessary amount of Viastone for your particular application understand that the 50 l and 10 l quantity is based on the standard Horticultural trade Gal. = 0. 71 U. S. liquid gallon. PH neutral/lightweight/reusable. Please rinse packaged rocks before use due to dust or particles from shipping.

• NEUTRAL pH - Rocks measure between 8 and 16 mm in size, are inert and have a neutral pH.
• APPLICATIONS - Viastone are great expanded clay pebbles for hydroponics, aquaponics, house plants, orchid clay pebbles, indoor and outdoor gardening.
• INCREASE YIELD - Helps increase yield quality and quantity, accelerates blooming and maturing. If you like Hydroton and Leca Stone, you will love this product.
• DRAINAGE & OXYGEN - Provides high oxygen levels around the root (especially useful in a flood and drain system) and pellets drain freely without holding excess water. Providing good oxygen levels around the root, multi-pot, and drip feed systems. An excellent way to aerate soil and other grow mediums.