I'd stop adding salt and go with your water changer, no more buckets. The salt will decrease gradually. I promise, neither the fish nor you will miss it.
I also learned the aging water and adding salt way of managing a tank long ago. I had an under gravel filter and (gasp!) corydoras and a Siamese algae eater. They were all fine. But, I was only using a couple spoons in a 30 and only adding a little to the replacement water. BTW, aging was to gas off chlorine. Now they use chloramine and it doesn't gas off anyway so water conditioner is the right call. And yeah, instant! Ah, the wonders of changing technology.
BTW, my tap water is moderately hard. I'm sure the fish here get plenty of minerals and salts in trace amounts. If you were using RO or very soft water, I could understand additives. But salt for salt's sake? Nah.
I also learned the aging water and adding salt way of managing a tank long ago. I had an under gravel filter and (gasp!) corydoras and a Siamese algae eater. They were all fine. But, I was only using a couple spoons in a 30 and only adding a little to the replacement water. BTW, aging was to gas off chlorine. Now they use chloramine and it doesn't gas off anyway so water conditioner is the right call. And yeah, instant! Ah, the wonders of changing technology.
BTW, my tap water is moderately hard. I'm sure the fish here get plenty of minerals and salts in trace amounts. If you were using RO or very soft water, I could understand additives. But salt for salt's sake? Nah.