Personally I find the carib sea mixes ugly, and unnatural looking. Rift lake sand isn't white, nor is it a salt & pepper mix, in fact none of their high priced mixes look authentic to anything. lol
https://caribsea.com/aquarium/ Not to mention how costly they are, compared to simply using a low cost buffering agent in ones filtration, where it is constantly exposed to water turn over.
H
Herrwibi
- this isn't rocket science, just try what has been suggested and go with what you find personally cheapest/easiest for you.