Complaint of Bad diesel (Watery) sold in Puma Tonga

I buy diesel for Cashbuild TongaMall generator and the forklift every 1 or two weeks in Puma garage . In June the 06th had to urgent callout engineers for my forklift which was said to be caused of fuel contamination. A cup of water was found on forklift. I took note of that and reserved my thoughts of bad difrom the petrol station Puma . On 09th of September went to fill up as usual , took my jerrycans filled with R1500 and went to pour on generator, I noticed after pouring that the diesel is watery ,clear and not even smelling like diesel . I then took the little that was left went to speak to the manager at Puma about it ,which was Chris on site for the day . When I addressed my complain to him he just snapped and said it's No the diesel is pure no water . Took some foam plate poured it and said showing me it's not watery . Took test kit telling me he uses that to test I'm making up an excuse it's not his problem. So I asked don't you see it's watery ? He says no its not it's just that his changed from buying the yellowish diesel from SASOL cause it's expensive he now buys from Mozambique cause its cheaper . He last had watery diesel in February 2023 ,so with that said I told him this could only mean the tanks aren't cleaned properly and since I had to repair June it's shows that it's his diesel that costing me fuel contamination of my equipments . As rudely as he was when responding he just walked all over like I was not important nor interested to be of help or even acknowledge a fault , went as far to say my team could be pouring paraffin to the diesel then I come claim that's it's his fault . I tried talking to him for resolution but Chris was just don't care left me standing like a useless thing , when I asked if his living me there unresolved complain , he simple said his going to change his staff now I must just either wait or whatever . This was a very bad experience for me ,to think I use only Puma garage for the store forklift n generator but gosh this man didn't bother to value the income I bring to his business that he said it in my face I can rather take my business else where if I want but his diesel he cleans the tanks himself and its not watery .