The baking soda is to stablize the KH, to prevent the tank from crashing again. However if the small, frequent water changes are being done to return the tank back to the source parameters, it should be unnecessary.Vyper said:The reason I suggested salt was because I'd read earlier in the thread that the fish may have ICH or parasites or something, eitherway a course of salt would have probably helped, however since the nitrates are 160 then I afgree partial water changes will help bring this down. Not sure though why your addingg baking soda is this to try and change the PH ?. Your PH will most likely improve and get closer to 7 as you do more water changes dont try and alter the PH at the moment just keep doing the water changes and see how that goes first. Because if your adding chemicals to alter PH you'll just take them out with your water changes.
Roan