Hi, I'm doing this oscillating reaction demonstration (
https://www.flinnsci.com/api/library/Download/db61050112c3468c8172798e258191cc) for a project but my school does not have enough ferroin solution, or the right amount. Ferroin serves as the indicator, and I was wondering if I could potentially use a substitute that would not majorly impact the experiment. If not, I'll just find another similar experiment. Thank you in advance!