124 is the correct answer according to my display's colorometer.
A display color meter really? Is there seriously such a thing?
Sent from my iPhone using MonsterAquariaNetwork app

I'd interpret it as 'somewhere' way over 100. No matter what, I'd be running hoses everywhere.
IMO, all these colored test methods are waay too risky, being completely reader-subjective! It's absurd.
Why can't someone invent + market affordable digital water testers for the most dangerous: ammonia, nitrites, nitrates...
Someone could become very wealthy off the patent.
Less than 18 replies, and PPL see everywhere from possibly 40 to 160= very frustrating test.