Yes thanks,all done now,
Put all 25 kg in a large brand new builders bucket ,put the hose in it and washed it all for almost an hour till it was clean,then soaked it in salt water ro,
Left it in there for a few hours to soak up then rinsed it out ,
Now all in me tank with 180 litres of saltwater ro,
Just got to wait now for the cycle process.