[spaceoddity4444]

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!

[Arkcon]

There are a number of variants of the oscillating red-ox: https://en.wikipedia.org/wiki/Belousov%E2%80%93Zhabotinsky_reaction#Variants

http://www.rsc.org/learn-chemistry/resource/res00000440/a-colourful-oscillating-reaction?cmpid=CMP00006782

https://en.wikipedia.org/wiki/Chemical_oscillator

Eventually 'tho, you will have to purchase some sort of esoteric indicator.  But do keep checking the Wikipedia references, to see what references you can find in a university library or online to read.  You may get somewhere you can do something that someone at your school hasn't seen before.

Eventually, you'll have to write this up as a report, and there are even some practical research applications of these demonstrations, such as logic gates or demonstrations of self-replication.