Highland Black (14mm) - - - [20ltr Bag] Herbicide ammonium sulphate and magnesium oxide

ammonium sulphate and magnesium oxide with the addition of a small amount of sodium molybdate and sodium borate

Improves soil structure and plant health

peppers and all crops under glass and home garden

Locally sourced volcanic stone from Banks Peninsula

65-120mm Greywacke river stones

Highland Black (14mm) - - - [20ltr Bag] Herbicide ammonium sulphate and magnesium oxideFrom Dunedin, a stunning consistently jet black stone when wet and a dark smokey grey when dry. Pairs well with White Ice Lime Chip as a striking great contrast. A real statement around water features and background to your lush garden. Looks great for pathways, permeable paving, around paving stones, water features and gardens. Also available in a larger 20mm, and 40mm. Also known as Blackhead Chip TYPE: Aggregates Decorative