Corall B 5l (Grotech) Trace element solution for soft, leather and hard corals Corall A, B and C contains all necessary combinations and elements for corals, without adding artificial colouring and preservatives. Already after the first dosings, an increased opening of the coral polyps can be observed. Natural colouring and increased growth...

Corall A 5l (Grotech) Trace element solution for soft, leather and hard corals Corall A, B and C contains all necessary combinations and elements for corals, without adding artificial colouring and preservatives. Already after the first dosings, an increased opening of the coral polyps can be observed. Natural colouring and increased growth...