Saltwater Cleaning & Maintenance

What if you only have freshwater or saltwater what’s more needed

If I make water for salt water fish, about how much sea salt I need to put in water? And does the sea salt must be cleared

How to do clean water which fill in aquarium if doesn't have water conditioner?

Which disinfectant would be best to treat an open fish wound?

Hi, I have a marine fish tank with 4 fish, an anemone, and a couple of invertebrates. There's nothing wrong right now but I'm scared that I might have jeopardized the aquarium's safety during a maintenance routine. I was doing some aquascaping when I realized that I forgot to rinse my hand beforehand, which worries me because I had handled clorox wipes (benzyl ammonium chloride) roughly 30 minutes before touching the water. Are my fish going to be ok, and is there anything I can do right now?

We are new to having aquariums, we really didn't realize so many things played a factor with the water. We currently have a 10 gallon tank but want to increase to a 29 gallon tank. We currently buy gallons of water but with the 29 gallon tank we really don't want to have to do that. We have well water with a salt filter. My levels from to tap was nitrate 10, nitrite 0, hardness 0, chlorine 0, alk 100, ph 7.. is my tap water safe even with the salt filter.

Will a salt bath remove or kill encysted black spots from parasites on a wild caught minnow? Will the salt harm the minnow? What dosage should be used for how long in a small treatment container (not the main tank).

How to treat scale rot?

I accidentally bought ich x for saltwater. I’m wondering if I can use it in my freshwater tank?

I bought aquarium salt for my betta fish. How many times should I do a water change for his treatment?

Are these steps good for this fish's wound and finrot? Part of the fish fin fell off but it is okay now. We're planning to quarantine him and use aquarium salt. Is there any last minutes subs for the salt? Tomorrow is Christmas so the stores will be closed, and we need to help him asap. so.. Are these steps good and are there any last minute subs?

How to use simple antibiotics, anti fungal and anti parasitic medicines like this azithromycin , doxycycline,Fluconazole and Metronidazole for fish diseases ?....And which medicine use in swimbladder disease ? ...And any medicine for after water change for preventive diseases ?....I have used always epsom salt /Rock salt after water change ?