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Old 08-12-2020, 01:54 PM   #13 (permalink)
chodovet
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Join Date: Jul 2020
Location: Texas
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Default Re: Setting up a new 29gal NPT

Well Karen, you were right! I had a plague of mosquitoes. Must have scooped up a mosquito egg raft or two with the duckweed. What a nightmare!! There were so many. I killed a bunch of adults (used the vacuum to suck them off the wall and ceiling), and scooped a bunch of pupae out of the tank. Even grabbed a couple of wild mosquitofish (Gambusia sp.) from our outside tank and threw them in there even though nitrites were still high. I moved some filter media from my established tank to help speed up the nitrite conversion. We were leaving for a few days on vacation so after killing as many adults and pupae as I could, I covered the open parts of the top in plastic wrap.

When we got back, no more mosquitoes, and the fish were (somewhat surprisingly) still alive! Also, the nitrites are now measuring at 0 and the plants exploded. Will add photos later. I need to do some plant trimming and re-arranging, things are getting crazy in there

What a mess - I guess I learned my lesson! I should really have known better, having spent the last 6 years studying vector-borne diseases..!
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