I used blasting sand for my dsb, it's now 2 years old and I've been very happy with it. The silicon in the sand does not get absorbed by the water in the pH of a reef tank. My measured silicon levels are zero. I got it in the east bay so you may be able to find a closer place, but here's the...
I used blasting sand for my dsb, it's now 2 years old and I've been very happy with it. The silicon in the sand does not get absorbed by the water in the pH of a reef tank. My measured silicon levels are zero. I got it in the east bay so you may be able to find a closer place, but here's the...