sakrete play sand

  • We are currently upgrading MFK. thanks! -neo
Make sure there's no silica in it.
 
I'd go with pool filter sand...less likely to disrupt your filters. Trust me...I've tried the others and pool filter sand is the best as it is larger, heavier, and less likely to get pulled up into siphons and filter intakes.
 
If the silica isn't coated with something then its sharp edges will probably cut the soft underside of rays. It says in the stickies to avoid silica sand with rays. I was going to use the quickcrete silica sand, but once I read that I went for 3m color quartz.
 
I keep adolescent rays in small rounded gravel < 1/8 inch with great results.
I went with this because I was fed up with trying to wash the sand and then have it float around all willy-nilly and find itself in places I really didn't want it.

The sand also can wreak havoc with Acrylic tanks. Be careful that you never allow you algae scraper to accumulate ANY grains! You will regret it when you go to fix the scratches. -FM
 
SpeshulEd;3678868; said:
Make sure there's no silica in it.
Click to expand...

That will be pretty hard as most sand is 90% sillica. :)

I dont know where this fear of silica comes from, but it must be one of the most stupid stingray myths around.

SpeshulEd, you might not know it, but you sand is almost pure silica. ;)

"Silica is most commonly found in nature as sand or quartz" "Silica is the most abundant mineral in the Earth's crust."

The last bit is taken directly from wiki.

Let this stupid myth die, so we can move on.

more info on silica/sand here: http://en.wikipedia.org/wiki/Silicon_dioxide
 
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