R161094 pH Solution Phenol Red with Chlorine Neutralizer, 1-Ounce

If you test your pool weekly the big bottle is the way to go

I didn’t really want to write a review, but Amazon insisted. This stuff is fine.

Inferior product - pale in color - did not test properly

Great price. Only problem is that it's so big it doesn't fit in my test kit case!

work

what can I say it does what it should do.

I had to add 3-4 extra drops to get a readable pH. The solution without Chlorine Neutralizer works better for me. And I serviced pools for 8 years.

awesome

I was running out of Lab Phenol red at 0.02% and this is an perfect find for anything with microbiology application. Like testing bacteria with different sugars with Phenol Red. Very cheap alternative. Nice find.