course substrate

[crsaz]

where do the "big guys" get their course substrate(looks like calcium reactor media) I see in the tanks of wholesalers and other large facilities? is it old calcium reactor media?

[Lance M.]

It is ca reactor media. I got 7 lbs from an lfs for $7 but I haven't gotten around to using most it yet.

[TiTAN]

I have a 20KG bag I got from the wholesaler that I use in my Coral tubs in my Frag Shed, the Label says "20mm Crushed Coral".

Not sure where he got it from but I am sure alot of Vendrs will order it in for you.

I found a link of how it looks.

http://www.aquariumproducts.com.au/catalogue_products.php?prodID=4136&catID=93