MtB

You won't get a sensible answer at that nice Mr Higgs doesn't really understand the issues.

I wasn't too sure about the red/white diesel so I left it out. Arthur has clearly never run a business in his life. Just spent most of his career as a taxman wringing them dry instead!

Of course it can. The Business Rates on it will have gone up, and the interest on the loan taken to buy it will have rocketed. As will have the cost of mowing it (diesel and maintenance costs) and labour too, as minimum wage increases every year.

Was it 41ft long by any chance?

You clearly still have only the haziest grasp of the differences in the rights and responsibilities of home moorers and CCers.

https://www.amazon.co.uk/MUNSKT-Self-Adhesive-Furniture-Rectangle-circular/dp/B0CMHB5RDG/ref=sr_1_2?

Definitely a BD3.

Nor does it look to me like the BD3 I used to own. In particular I don't remember it having that nice brass gauge in the corner of the photo. Maybe 1stArthur could post a photo of the whole engine, and get a consensus view on what it is.

You really do need to sort out which you have. The Beta BD3 is a completely engine from the Beta JD3 which superseded it, even though the two engines look superficially similar and do the same job.

What's the weird-looking stick for??!!

Mr Rusty69 could alternatively downgrade to a fattie ... 😱

So, them needing to write all that in illustrates towpaths are not a public ROW. Special measures are needed to give the public a right of access. "Right of way (no hyphens), is the legal right, established by grant from a landowner or long usage (i.e., by prescription), to pass along a specific route through property belonging to another." https://en.wikipedia.org/wiki/Right_of_way Arguably the clauses you list comprise a "grant from a landowner", so perhaps a ROW does exist! No doubt a court could make a ruling at enormous expense.

Yes the whole idea strikes me as bizarre.

I think mrsmelly has it right. The best solution is to use clean tap water in the first place which does not need filtering, instead of canal water.