Rupertdaropefish

Unfortunately, it’s been a constant for the last 8 or so months. I changed from the charcoal that’s dusty to the pellets about 6 months ago. I actually tried going without it but found the aquarium was giving my room a smell. It’s in my bedroom and it’s not the biggest room. I do know the water here in SC is not the best. It could be something that I can’t test for causing it. I am moving 600+ miles this month back to Pittsburgh where I am from. Hopefully, with the different water it will cure itself. I would think if it was something really serious I would have lost a fish or two, knock on wood, but I haven’t. I plan on taking half the water with me so it’s not such a shock to the fish. I may also try to initially adjust the ph closer to what it is here. I know from past experience that the water there is on the acidic side and it’s more alkaline here. Aghhh, I’ve racked my brain and tried everything and anything. I appreciate all the input. I just hope I can eventually make my fish more comfortable and figure this out.

Tank is 77F and does not fluctuate much. Even when I do water changes, I use a meat thermometer to match the temp of the tank.

The tank has been around for a little over a year. Most of the fish came from Petco within the first month I had the tank cycled. All the fish flash, often multiple times in a row. I didn’t have a quarantine tank at the time. Actually, I forgot my common pleco, that’s the only one I never saw flash. I do 25% change at least weekly. I have 2 hob filters and a canister that cycle the water around 20 times per hour. Prime is my go to for dechlorination but I also have used API stress coat water conditioner. I use one of them with every water change, mostly Prime. I have watched and I don’t notice an appreciable increase or decrease in flashing after changes. I have been through this with others and the obvious things. I’m just hoping someone else has had a similar experience and was able to solve the issue.

I have been dealing with all my fish flashing going on 8 months now. Not a single fish is dead and there’s no sign of disease. They all do it, some quite frequently. I am at my end trying to figure this out. The tank is a 75g community tank with Cory’s, Angels, a Blue Gourami, Plattys and Glofish Tetras. I thought it was a case of flukes but after treating with Procure( malachite green, methanol and formaldehyde) and Prazipro before that, they still flash. All parameters are good( ammonia 0, nitrite 0, nitrate 20, ph 7.4). The ph is a bit higher than I would like but it is steady and I’d rather not do the whole battle the ph with chemistry thing, haha. The tank is planted moderately heavy. My tank is a great source of joy to me and I take very good care of it with water changes at least weekly. It’s important that my fish are comfortable and happy so I need to get to the bottom of this. TIA for the help and thoughts.