best sand

😅 Hello again... Well, here is the natural progression! See my previous thread for context, but the short of it is, I had play sand leeching kh so I asked for some suggestions from others of another sand that won't behave the same. Many recommend hth pool sand, since it was cheap and looked...

what sand is best for tropical tank as I a big pleco that is going to disturbed it a lot   one that when disturbed it just falls back to the bottom straight away.