If nitrit is the problem and you have no problem with ammonia, adding NaCl is easier to do than daily water change. Add so much NaCl that Cl-ions are...
New koi, much smaller than pond mates, has been laying on the bottom of the pond for the last 2 days. Faces the corner most of the time but has shown...
So every year before pond start up I open the valve of my 48 inch vortex to drain what ever has settled in my bottom drains. It's normal to see a few...
So if my plan is to remove my S&G filter and replace it with a bead filter (which I could put in my filter pit below water level, unlike a S&G), I'm...