Euphonium Store has a great deal on medium valve oil, from the leading German company Thomann, who've been researching an outstanding range of oils for the last several years.
These brand new oils are the result of years of testing to give you the smoothest action you will find on the market at the moment. No residues, odourless, and it doesn't 'disappear' quickly. The 'pro's choice, without a doubt.
Price: £7.10
To purchase: https://4barsrest.shop/product/new-thomann-valve-medium-valve-oil-3x-10ml-bottles/
