I know Seachem have an iron additive for tanks, but what other iron additives are safe to use in tanks? I saw this one...
http://www.wayfair.com/Grow-More-Organic-Iron-Chelate-Concentrate-7450-BAV1018.html
or maybe just buying liquid iron or chelated iron tablets would be ok?
http://www.wayfair.com/Grow-More-Organic-Iron-Chelate-Concentrate-7450-BAV1018.html
or maybe just buying liquid iron or chelated iron tablets would be ok?