Since my last post, I've been converting my freshwater tank into a brackish tank in order to keep either a F8 puffer or GSP (still undecided). Right now the parameters are stable, with a PH of about 7.6 and 0 ammonia and 0 Nitrites. I've been dosing Fritz ammonium chloride every few days once ammonia hits 0 to keep the bacteria alive (the tank is still uninhabited). The tank is decorated with rocks and driftwood (don't worry, its driftwood that I've kept in FW aquariums for the past 2 years, tannins have leeched out and they don't lower the PH anymore) for a dynamic environment. Here's a photo of it.
I've seen it mentioned on the forum multiple times but I was wondering why full saltwater tanks are easier to keep compared to a high brackish tank (mainly asking this for GSP since most posts say that they thrive in full salt once they are older). For now if I end up getting a GSP, I'll be keeping it in 1.005SG water and eventually increase it to full salt as it grows older.
My tank is currently running 2 air driven filters (1 corner sponge filter and 1 combination sponge/biological media filter), if I end up converting to saltwater, I'll add an air driven protein skimmer as well, remove the driftwood and add some live rock.
Thanks for reading!