Fair enough. Totally understand that!
Are water changes worth it at this point?
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Fair enough. Totally understand that!
@Breakthecycle2 That looks like bad bacterial blooms. Were any meds used in these QTs? Or possibly any die-off from those rocks?
Should I be getting worried now?
Are the fish breathing heavily? If they are still acting normal and eating fine, I wouldn't really worry about it.

Ok, quit with the MB7. This is very odd... normally the bacteria in the MB7 will outcompete for whatever nutrient is feeding the bacteria already there and clear the water. For whatever reason it seems to have contributed to the cloudiness.
Do you have a pic of how it is now?
How are the fish? Still breathing normally?
Do you have an airstone?
Do you have UV?
Do you have a skimmer?
Here to help![]()
It does look like a bacterial bloom. How often do you clean out your HOB? Could you have any source of carbon getting into your tank? Burning candles, air freshener, carpet cleaner, brewing beer, paint, friends wearing way too much cologne?
When I run an HOB on my QT system I wring out the sponge media under tap water every few days and give it a quick rinse in RODI before putting it back. The bacteria are very hardy and will survive just fine if you don't use hot water. And, they wont rinse away. I prefer this to changing the media. Waiting 2 weeks to do the maintenance could turn them into nitrate generators which will feed both algae and bacteria which could lead to a bloom. I recommend rinsing them every few days and see if that clears it up.None. The thing is they are both now cloudy, with the smaller one not as bad..yet. I clean it out about once a month and just did maybe 5 weeks ago or sooner. I change the filter pads, usually every other week.
When I run an HOB on my QT system I wring out the sponge media under tap water every few days and give it a quick rinse in RODI before putting it back. The bacteria are very hardy and will survive just fine if you don't use hot water. And, they wont rinse away. I prefer this to changing the media. Waiting 2 weeks to do the maintenance could turn them into nitrate generators which will feed both algae and bacteria which could lead to a bloom. I recommend rinsing them every few days and see if that clears it up.
I use cool water but here in Alabama, the tap water is never really very cold. Bacteria are very durable so just don't go scalding hot or freezing cold. Try to get as much of the particulate out until the water runs fairly clear. The dip in in RODI, give it a squeeze or two to rinse the tap water out, and put it back in. If you use the mesh instead of a sponge, do it as close to the same way as possible.U
Under cold water?
Ill give that a shot. I am also running carbon and purigen, as of a week ago. Should I take them out?I use cool water but here in Alabama, the tap water is never really very cold. Bacteria are very durable so just don't go scalding hot or freezing cold. Try to get as much of the particulate out until the water runs fairly clear. The dip in in RODI, give it a squeeze or two to rinse the tap water out, and put it back in. If you use the mesh instead of a sponge, do it as close to the same way as possible.
Unless you are running them for a different reason, I would take them out. Some times, less is more.Ill give that a shot. I am also running carbon and purigen, as of a week ago. Should I take them out?
Well, it's got an odor to it and under ambient light it looks yellowishUnless you are running them for a different reason, I would take them out. Some times, less is more.

