Should you dose? Is the real question. Dosing should be done to maintain levels that aren't ABLE to be maintained with only water change. If doing water changes is working to keep parameters in check, continue doing that until there is a real need to dose.
Should you dose? Is the real question. Dosing should be done to maintain levels that aren't ABLE to be maintained with only water change. If doing water changes is working to keep parameters in check, continue doing that until there is a real need to dose.
1. How stocked is your tank? Photos and some descriptions would help generate better advise.
2. What test kits do you have and how frequent is your testing regimen?