: 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).
: Look for nurseries that focus on "rock garden" or "alpine" plants. These businesses often stock tufa in various sizes, from small planting chunks to large feature boulders. where to buy tufa rock
For smaller pieces or specific shapes, online shopping provides the most variety. : Tufa is significantly lighter than most rocks
: A great source for "hand-selected" pieces, often sold for terrariums, moss gardens, or as natural planters. often sold for terrariums
: Tufa is popular for African Cichlid tanks because it raises the water's hardness and alkalinity.