Theres no mileage in doing things don't work ....thats plain silly

and a complete waste of time. All tweaks tried were mentioned  as far as I can remember.

there are any number of things that I could have tried ...but experience has shown these are mostly always positive ..thought the amount varies...[from no effect upward]

I've passed on a number of other ideas that he may find useful.

The owner of the kit should comment about the nature of the change  as he has to live with it. 

the suggestion is that the coaster works in a different way ....I have not tried it so can't offer any speculation  as to its effectiveness or similarity other than shape and the colour of the light [though blue appears to be more turquoise if that important ?].