i saw this topic in freshwater, but not so much about saltwater. I also want to test out the poll functions on this forum
for a 29 gallon tank-
1- 50% water change monthly
2- 25% water change every two weeks
3- no water change necessary
4- all of these are wrong
for a 29 gallon tank-
1- 50% water change monthly
2- 25% water change every two weeks
3- no water change necessary
4- all of these are wrong