Abracadabra, ti metto un post di girz sul topic zz pag.5.
If dosed daily for a longer period your corals might get darker tissue. Would use this as a parameter. However 1 - 2 x weekly is working very well for a long time usage.
a me sembra che i colori li carica...ma in senso buono,nel mio caso...non credo che i coralli possano sbiancare per zz
