I got that same letter and did the same thing you are planning. I added it straight to my tank. I had to leave my house to go to a church slumber party. The next morning when I called my hubby, he informed me that everything in my tank had died through the night. I was literally shaking with worry... I had no idea it was the rock. I tested all the params, my ammonia test only went as high as 6 and it was there. I wrote SWF and I was livid!! They told me that they would refund my money if I sent the rock back but I would have to pay shipping. They also informed me that they cannot be responsible for the aquarists lack of knowledge. Then they suggested these boards to learn a thing or two. Oooohhh, I was so mad!! But when I finally did do some research, I learned that it is only a matter of common sence to realize that aquatic bacteria will die off when it's only atmosphere for 2 days is wet newspaper. I smelled it and didn't smell anything so I threw it right in. Learned later that although these things died they have not actually started to rot yet and thus I wouldn't smell anything. Long story...shorter, I didn't want my display tank to turn into a disgusting "curing vat", so I moved everything to a rubbermaid bin and cured it seperately. Put your rock in saltwater for just one night, test it the next day and then you will be glad that you didn't add it straight to your tank.:yes:
