Opinions on Sand versus Colorquartz
I'm working on piecing together everything for my first 75 gallon planted tank. I'm planning on using mineralized soil as the base substrate. But I'm still debating on what to use over it as a cap. I've tentatively narrowed it down to two options.
First would be a larger grain pool filter sand (#20 I think I saw it called?), with a small amount of pea sized gravel scattered loosely on the surface, mainly for aesthetics.
I've also looked into the 3M colorquartz black t-grade and can get it very cheap and locally.
There's the obvious aesthetic difference between a light substrate and a dark substrate, but I was wondering if there were any other advantages or disadvantages of one over the other. I've read some speculation that sand grows algae because of its lighter color, etc.
Any input or opinions, even just on the aesthetics of one versus the other, would be appreciated.