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Old 10/29/2020, 02:54 AM   #1
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Join Date: Oct 2020
Location: Rehovot Israel
Posts: 6
Cycling with fish?

I am planning a 360 lit. (about 100 g with the sump) reef aquarium. will start in about a month. I was wondering after reading a bit about the cycling if there is a fish that will be able to linger and survive through the cycle

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Old 10/29/2020, 09:34 AM   #2
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Join Date: Feb 2006
Location: Spokane WA
Posts: 34,449
Blog Entries: 55
No. It damages their organs even if they do survive and is needlessly cruel, besides exposing your tank to parasites from an unquarantined fish. Dropping a few flakes of fish food in daily (ghost feeding) will causes a cycle, no problem.


Salinity 1.024-6; alkalinity 8.3-9.3 on KH scale; calcium 420; magnesium 1300, temp 78-80, nitrate .2. Ammonia 0. No filters: lps tank. Alk and cal won't rise if mg is low.

Current Tank Info: 105g AquaVim wedge, chromis, royal gramma basslet, tailspot blenny, ocellaris clown, yellow watchman, chestnut turbo snails, bristleworms, couple of hermits.
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Old 11/05/2020, 05:14 AM   #3
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Join Date: Mar 2015
Posts: 419
Don't do it. Your live rock and sand should perform the task of cycling for you. You can get a bottle of kick start bacteria too if you want.

Your "fair share" is not in my wallet; it's in my fish tank!!
Current tank info: 90 Gallon saltwater 10 fish with a few inverts; NO CORALS!
Tried to go reef; didn't work out so hot; FOWLR's for me!
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Old 01/05/2021, 09:36 AM   #4
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Join Date: Oct 2020
Location: Rehovot Israel
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My ~400 lit aquarium started this Sunday. Used Aquaforest reef salt. Aq is custom made 120x50xh60
sump is 40x80. Inside its AF live sand (15kg only) and AF rocks about 20 kg. Equipment is all from Maxspect MJDC6K pump, Jump skimmer (now off), wave maker GF4K (now off) and RSx 150 LED lights (+ the WiFi controler, light is on for the day but only 20-40% for about 5h) EHeim 200W heater, Kessil H80 refuge light.
Added 3 days ago and today about 60 ml of microbe lift Nite out II and today I added about 0.8 ml 25% ammonia to give a final conc of about 0.2 ppm (based on the Seachem ammonia alert thing) Salinity is 1.026. Temp is 24C. Have glass wool for filtration will be later on replaced by Macro algae. Did not start testing will wait for the Ammo alert to go white again (or less blue)

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