Filter Maintenance and Gourami Nests

OgreMkV

Father of Earth's Next Emperor
Apr 26, 2007
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Port Arthur, TX
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OK, two questions that are sort of related.

Every time I do filter maintenance, I get an ammonia spike. I have an xP3. I followed procedure for disconnecting the thing. I took the canister to my bathtub with the two buckets of removed water (from the water change).

I swished out the polish pad pretty good, it was dirty, in the removed tank water. I didn't do anything to the two chambers of bio media. I swished the four sponges out gently (they had no dirt at all). I piled everything back in the canister after wiping the inside down with a paper towel. Put it back together and fired it up. Oh, I also wiped down the impeller.

The whole process couldn't have taken more than ten minutes. It was probably less than five. I don't think I got chlorinated water anywhere. I don't even set the buckets down in the tub, only in the large buckets of tank water.

Yet, 36 hours later, my ammonia is .25. I did another water change and will check again in tonight.

Did I kill all my bacteria... or even most of them??!?!?

In a related question, my dominant gourami is starting to build a bubble nest. It's not a very good one and there's no female to impress, but how should I handle a water change when we get our gourami tank going? I'm planning on getting the same filter (or the xP2) for that tank.

:confused:
 
Stock and tank info is in my sig. No changes in two weeks.

Tap water shouldn't matter as I dose it with Prime. That's supposed to eliminate ammonia as well.

Just tested and nope, no ammonia in Tap water. Heck, that would hurt me too.

BTW: You're the Angel Expert. Can I keep Angels and Gouramis together?
 
How old is your tank? If a young setup (less than 8 months or so) cleaning your media thoroughly can have a small minor effect of the bacteria as most still reside in your filter and not in the tank yet.

As for the gouramis/angel Q -- I have 2 Blue Flame Gouramnis (Dwarf variety) I think the latin name is Lerii? Anyways they do perfectly well together IME, but I'm not breeding or anything like that.
 
If you're using a Nessler or salicylate test for ammonia, Prime may alter your ammonia test results for 24-48 hours. Prime does bind ammonia, forming a compound that is safe for fish, but standard ammonia test kits will still read the compound as ammonia. The only tests I know of that will always read accurately with Prime are the SeaChem ammonia tests (the Ammonia Alert that hangs in the tank and the MultiTest-Ammonia kit). After 24-48 hours, Prime completely dissipates from the water, and your ammonia readings should be accurate no matter what test you're using.

Read more about Prime
 
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I agree with ginger, you're probably getting a false reading if you're using prime.

Just ignore the bubble nest if there is no female present. Some males just go bubble wild when they want to breed.

ct-death dwarfs are colisa lalia, leeri are pearls. honeys are colisa chuna. 3-spots are trichogaster trichopterus. For anyone who is going to correct me on using old skool latin names and not any new versions, don't bother I know some have been changed to suit some scientist's ego.

And YES, you can keep angels and gouramis together.
 
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