emergency temporary home for inverts - The Planted Tank Forum
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post #1 of 3 (permalink) Old 02-05-2020, 10:33 PM Thread Starter
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emergency temporary home for inverts

We had a Fluval Flex 32.5 set up, fishless cycle. once several days of testing in a row eventually indicated that it was cycled, we sourced our fish and inverts for it, placed the order/picked up from lfs as available and began adding the fish and snails to the tank. the plants seem fine, there's not a lot of melt, lots of new growth- but we tested the water before adding any of the new fish/snails to the tank more out of curiosity as to how different it was to the lfs water and were shocked to see a big nitrite spike- nitrates and ammonia still negligible. we did some triage water changes but had to proceed with adding the fish/snails, since keeping them in the bags wasn't going to be sustainable. I think we've got it manageable, cross fingers- but we have a whole slew of shrimp (amano, neocaridina, bamboo) and crabs (thai micro and freshwater pompom) coming in tomorrow morning. The only tank I trust right now as actually being cycled is tiny; it's a Spec 3 that already has two nerites, a mystery snail, some anubias and elodea and a marimo. We also have a 8.75 that's newly set up and for certainsure hasn't cycled yet, and has glossostigma seeds covering the front third of the substrate (and scattered kind of everywhere else, those things are kind of a nightmare).

can that spec 3 handle 15 shrimp and those crabs for a few days while we figure out what the heck's going on with our big tank? is it worth the risk of trying to add some of them to the 8.75g? any other suggestions on what we could do to mitigate any losses from the time it'll take to fix the the unstable nitrite in the big tank?
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post #2 of 3 (permalink) Old 02-06-2020, 01:19 AM
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I would rule out the 8.75 as its probably worse off then the one that your trying to cycle right now.

Test the big tank again tomorrow and make sure that you didnt get an error in your testing. Watch the fish, your probably gonna be doing water changes daily for a bit. I dont know much about the crabs but out of the shrimp your amanos are probably the hardiest of the bunch. The NEOs should be fine in the spec 3 for a bit as long as the water parameters are good for now but its not leaving much room for error.

Honestly its hard to recommend what to do as all that stuff in a spec 3 could send it over the edge. In my own opinion I would probably do another water change on big tank tomorrow, test parameters, add the new arrivals like planned, continue monitoring/testing and hope for the best.

Hopefully others will chime in with better ideas and advice.

EDIT: Wanted to add, the spec 3 may be ok with the inverts but gonna have to do water changes and keep an eye on parameters closely. The shrimp should have a small bioload but not sure about the crabs.

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post #3 of 3 (permalink) Old 02-07-2020, 12:49 AM Thread Starter
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thank you! we aren't actually as whackyout as we feared- aside from that one singular test, nitrites have been negligible. we also didn't know that using an API test kit while also dechlorinating water using Seachem Prime would give false ammonia readings; picked up a Seachem continuous display thing this morning and it's showing that we've got between zero and 0.05ppm. our nitrites and nitrates are fine, so we're just going to continue with our original plan (aside from one bamboo shrimp being diverted to the spec since he's super tiny).
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