Trace elements Home › Forums › Global › Methods › Trace elements This topic has 1 reply, 2 voices, and was last updated 9 years, 7 months ago by Peter Finke. Viewing 1 post (of 1 total) Author Posts September 16, 2015 at 1:40 pm #8379 Peter FinkeParticipant John, here is the website of the Söll-company: http://www.soelltec.de/21elemente.html I have no experience with all this and I think it is exaggerated a problem. You probably can use other brands, too. I always used pure water that had runned through my kat-/an-filter and added some cups of tap water. It worked with all species. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In