Browse Forums Landscape & Garden Design 1 Dec 01, 2019 7:48 pm Hey all, anyone had any experience using Natramin Cal-K or Natramin Cal-S on their stubborn rock clay ground? I've pretty much got a yard of solid, hard clay and some annoying weeds but everything else dies, even the weeds sometimes.... My land also has high salt content... so when it rains large salt rings appear and everything withers and dies. I was thinking of using Powerfeed and Natramin but was just seeking some advice. I've dug some footings to embed a post anchor into. My holes are around 450mm deep which I'll put a 200mm stirrup into. The bottom of these holes seem firm enough. … 0 1547 Thanks for your reply. I will just wait and see I guess. Trying to get some more information from our builder. 9 11723 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 8262 |