For landscaping or rock gardens, local independent nurseries are your best bet.
: Frequently lists tufa in specific weight lots (e.g., 3kg or 5kg bags), which is ideal for hobbyists who don't need a full pallet. where to buy tufa rock
: Tufa is significantly lighter than most rocks. If a seller is charging high shipping for a "heavy" rock, it might actually be a denser limestone or "feather rock" (pumice). For landscaping or rock gardens, local independent nurseries