Addipak single use saline is what I use. It's an off label use type of deal but it's the best thing I've found. It's cheap and comfortable all day. If you look around on this sub, you'll see a lot of people use them.
This worked for me and was recommended by my opthalmologist. Teleflex Addipak Unit Dose Solutions, 100 Count, 5 ml https://www.amazon.com/dp/B01DZ0DYOA/
I should add that I have been using them for about 4 years.
Teleflex Addipak Unit Dose Solutions, 100 Count, 5 ml https://www.amazon.com/dp/B01DZ0DYOA/ref=cm_sw_r_cp_api_i_YMRfDbY5DAJPB
Frequently bought with contact lense removers. Checks out.
Heyo. Just a little tip, remove everything after the dp/#productnumber# to remove amazon marketing tracking from the links. Sometimes a product name will be in the section to keep and it's fine to leave that or remove it. Like this:
Teleflex is what I get. 5 ml
Here's the link to what I use: https://www.amazon.com/Teleflex-Addipak-Unit-Solutions-Count/dp/B01DZ0DYOA/
I bought these from Amazon at a fairly good price
Teleflex Addipak Unit Dose Solutions, 100 Count, 5 ml https://www.amazon.com/dp/B01DZ0DYOA/ref=cm_sw_r_cp_tai_y6TfDb4NMQX0T