I always use SFIC base. I think it is better than any I have tried, and I like the fact that it is entirely organic and chemical-free. It is true that from the company you have to purchase large quantities, but I am able to purchase mine in more reasonable quantities from a business that re-sells it at a reasonable price. Their official website is still under construction (it will have on-line ordering) but here is the link to their website now. Susan |
Here is a link that might be useful: Double D Ranch