I just put in a new pond about 4 weeks ago. So I am new to all the pond stuff. I would like to add some tadpoles and turtles but not sure if I can. I did have fish untill a few days ago when all but 2 died. I also have 4 snails in the pond. My pond is 90 gallons and it has a wall around it. I was just wanted to know about the tadpoles and the turtles. I did have two tadpoles but they also died. One jumped out of the water and the other I found floating in the water. So if anyone could help me with this that would be great. Thank you.
Also I would like to know about creating a natural filter system.

