I was wondering if it was safe ( after bleaching and or cleaning, and the vinegar test ) to put rocks from the stream in your aquarium. I have done some research and everyone i have seen has mostly said yes. And if so and there is built in green algae stuck on there will it continue to grow and spread? Or after the bleaching it will be non active any advice would be greatly appreciated.
125 gallon
Native tank
125 gallon
Native tank