mbauma New member Jul 28, 2014 #1 I think this is a sponge, how do I know if it's dying? It looked great, but now is a little tattered. I don't want to leave it in there if it will pump up the nitrates when it dies. First pic is from a couple weeks ago and the second is from today. Attachments DSC_0211.jpg 66.4 KB · Views: 2
I think this is a sponge, how do I know if it's dying? It looked great, but now is a little tattered. I don't want to leave it in there if it will pump up the nitrates when it dies. First pic is from a couple weeks ago and the second is from today.
