Browse Forums Landscape & Garden Design 1 Jun 04, 2018 2:57 pm I have a potting mix recipe that calls for sharp sand. Can't find it anywhere. Could zeolite be classified as sharp sand? Or does anybody know what sharp sand is called in Australia & where to get it? there is only 20% difference in concrete strength between 20 mpa and 25 mpa, so check with your engineer first if it fits his calculation tolerances. There are ways to… 6 18304 I am not sure whether Perth has its own way of doing things in regards to this. Most of Perth has class A (sandy soil), except for some areas near rivers or hills. 2 13106 We were lucky in that our old house was so small (86 square metres) compared to the new house, they were able to take enough readings around the old backyard house before… 8 37157 |