Merlin had stock of Veloflex and Vittoria tubs in 25mm but they got snapped up quickly, seem to be hoarded/produced in less numbers.
Not sure what you use to glue your tubs, but Vittoria Mastik One is out of stock and has been for a long time. Conti cement about, and Tufo tape which I plumped for. Good luck, I'm sure if you rotate round the online stores you'll find them
Merlin had stock of Veloflex and Vittoria tubs in 25mm but they got snapped up quickly, seem to be hoarded/produced in less numbers.
Not sure what you use to glue your tubs, but Vittoria Mastik One is out of stock and has been for a long time. Conti cement about, and Tufo tape which I plumped for. Good luck, I'm sure if you rotate round the online stores you'll find them