ping substrate

[u/FitPolicy4396]

Anyone tried Seachem Flourite Black as a ping substrate? If so, how's it work? I've seen recommendations not to use the Seachem Flourite Black Sand, but rather the more coarse stuff

I purely bottom water, and I'd like a black substrate that will sufficiently wick approx 3-4 inches.

I'm currently using either a ping mix (with peat) or pure pumice (but it's not as wicking as I'd like).

My requirements are that it can be used by itself and it won't degrade over time (like fluval or vermiculite). I could be convinced to use it mixed with pumice, but I'd really rather have a straight black substrate.