Francis said:
I dont think he's going to die. He only tilts occasionly now when I posted a few days ago it was worse. The parasites should not spread because the sterazin should remove them all. And to rixy ive had him 2 years and the pH has not always been this low. I will fix it when the sterazin course has finished next week.
Thanks anyway,
Francis.
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Don't be in a rush to change the pH of the tank, it is something that can naturally fluctuate throughout the day. A pH of 6.4 isn't
that low, most (but not all!) species of tropical fishes will thrive in the pH range of 6-8.
Gradual, natural shifts of pH in a tank are harmless to fish. It is when you add reagents to the tank with the intention of altering water chemistry that you will cause undue stress to the tanks inhabitants. IMO, I would not mess with the pH, it sounds like your eel has been under enough stress already.
Looking at your tank stats, have you checked ammonia lately?? If you haven't in the past few days, maybe try a water change? If any of your bacterial colony is being killed off by the meds, ammonia will be the first thing to spike. If your tank is going into a mini cycle and you don't have any salt sensitive fish, it may help to add a *little* salt to the tank, this speeds healing of wounds, aids in the fishes' bouyancy, and also assists in decreasing the fishes uptake up nitrite from a cycling tank. I start out with about 1 tsp per 5 gallons of water added in parts with a water change, over a couple of days I increase it to a bout 1 tsp per gallon.
(Using salt in a freshwater tank is highly controversial, but I have success using it therapeutically. In the middle of treating ich a while back I got frightening nitrite readings between .75 and 1.0 ppm for two days straight. Thankfully, all my fish came through, seemingly unstressed, including a BGK, the eel, and two fancy plecos.)
I hope your eel gets better fast, keep us posted to how he is doing.