Rotala Butterfly Nutrient Dosing Calculator

Allwissend

Super Moderator
Staff member
Moderator
Lifetime Member
Jun 20, 2016
558
290
63
www.intuitiveaqua.net
Hi Udo,

I assume by iron sulphate you mean the common heptahydrate form ? If so here are the details

FeSO4*7H2O
Fe...20.09%
S...11.53%

So for 1g FeSO4*7H2O you will have 0.201g Fe

Regards