That was my next go to once the tannins stop leaching out I think I may have read your post to another person in the community, recommending this. ...

I have tried Gerni Concrete & Stone cleaner at 100ml/5ltr water and a steel scrubbing brush. it has made the concrete purple-ish in patches and sort ...

Thanks Jason. I will definitely share once I have the plants in and the tannins stop leaching out of the wood and staining the concrete sleepers! It i ...

Thanks Mitchell. I don't have a lot of depth to play with unless I dig out the road base etc. at intervals to sink the posts but that is not impossib ...