Quote Originally Posted by MizTanks View Post
By using new sand and new rock your going to be cycling a new tank. Which is ok but you won't be able to add stock to it until the cycle is done. If you can keep and maintain the 20 until the 29 is done, well then go for it. Your looking at anywhere from 4-8 weeks for a cycle to complete. great information for new hobbyists

thats good to know! what if i keep the sand and keep some of the rock that would be okay right?