Reef Safe Cement With Good Local Availability

[chewie]

Thank you for the great info on reef safe cement. I have been making agrocrete rock for my tanks and am tired of having to wait for the ph to come down before using. Takes months for it to get below 9. That is with having it in tubs outside with rain water down spouts from house running into them to constantly flush them, and living on the west coast it rains alot...
Once cured though the coraline sure does love it, covered in a matter of weeks.
Now to track down a supplier out here.

[Enigma]

I've read about the thorite cement. I wasn't optimistic about finding any in the city.

I had decided on using this: http://www.homedepot.ca/product/port...t-227kg/958173

But, I guess if it is taking months for Chewie's pH to lower . . . I should really use the thorite if I have the opportunity too.