I'm going to disagree with that statement.Also, don't buy live daphnia, they won't help you.
Whoa. That's bad. Before you go out and buy anything, let's cover the basics.
How often do you change water and how much do you take out?
How long is the light on for? What light is that? Is that the nicrew one? Is the tank near a window?
I'm going to disagree with that statement.
You can have Daphnia in a container of green water and the Daphnia will eat the algae over time. However, if you put Daphnia in with the goldfish, the Daphnia will get eaten. The way to get around this is to use a breeding net. Put the Daphnia in a breeding net that is in the tank. The green water will pass through the netting and the Daphnia will eat it. If you get too many Daphnia, you can let some out of the net and the goldfish can eat them.
Having said all this, algae grows from excess light and or excess nutrients. Try doing a 75% water change and gravel clean the substrate every day for a week. Reduce lighting by an hour a day. See how the algae goes over the next couple of weeks. If there's no improvement, reduce the lighting by another hour and monitor for a couple of weeks.
You can add more plants to help reduce algae. Duckweed is a fast growing plant that grows on the surface. Goldfish eat Duckweed and it's good for them. Another good floating plant is Water Sprite (Ceratopteris thalictroides/ cornuta).
This sounds as though RQ-Vital is something to raise the pH? What is in it, does it give the ingredients on the bottle/package? And does it have a use by date?Then it seemed the pH was drifting acidic, so I put a little RQ-Vital that I dug out from old supplies
And what size the tank is? It seems too small for goldfish.
Yes it is, not my choice, moving on. Let's say for the sake of argument I am not going to toss any of the fish.
No one is suggesting you toss fish...but at the same time, there is clearly a major problem and this is not good for the fish. They are being detrimentally affected, and we are trying to help you improve things so they will be healthier.
Questons have been asked but not yet answered, so we are rather at a loss.
The questions are what size tank? And what is the ingredients in the RQ vital and what is it used for?yeah, probably just an overloaded thank. they are happy fish and been living in that fog for a couple months so clearly not killing them
my question was daphnia - yes or no, and I have gotten both a yes and a no, as well as the note that the fish will eat them and how to avoid this with a breeding container (which I have)
which questions have I not answered? I will immediately endeavor to do so; I appreciate the help! (and humor)
The questions are what size tank? And what is the ingredients in the RQ vital and what is it used for?