It's a bad time of year to look for the argonite sand at HD, lowes etc. It's a seasonal product which is most redily available in the spring and early summer with dwindling supplies in late summer.
The only "draw back" to silica sand is its hard edged grains will be less welcoming to the copepods and worms that typically live in a sand bed. You'll still have pods
and worms, just not as many or as varied.
I don't know how gobies or other larger critters would be affected by it, I don't recall reading much either way.