Description:Perlite made from natural rock that is crushed and heated to nearly 1000'c, perlite is a light, coarse growing medium that offers good aeration properties. It also has great capillary action properties and when mixed with vermiculite is a popular germination medium which works well in container culture but should not be used in recirculating hydroponic systems as it can block drippers or pumps. Available in... 1ltr = £0.20100ltr = £15.99
Price: £0.20
