<span class="link_user">@GuerrillaNo_4</span>,
thats what i am thinking about the whole time...
But right at the moment i had not the wisdom to preserve it without a lot of research...
Nexxt time! :-)
I really can't say - I've only tried one brand so far. AND with 2 plants had no problems at all and with 2 already....
In any case, it is easier to get started with prefabricated brands and compositions.