DIY Iron Supplement?

[freddie40]

The only thing that might be an issue there would be the phosphate, but it's hard to believe that there's enough of it to cause a problem. I'd give it a shot.

I found Fergon so that is what I shall be using. Why risk it

Thanks,

Dave

 

[gentledental4u]

what is the iron dosing for?

 

[bertoni]

It can help some photosynthetic organisms, particularly macro algae.