hi all,
im looking to upgrade my tank to a 250l (200 display) but i was wondering is it worth having a reactor, and if so do i get a calcium or media reactor, and in simple terms what do they do, because from what i understand a calcium one is pretty much like a calcium doser?
thank you
im looking to upgrade my tank to a 250l (200 display) but i was wondering is it worth having a reactor, and if so do i get a calcium or media reactor, and in simple terms what do they do, because from what i understand a calcium one is pretty much like a calcium doser?
thank you

