Cycling a 75 gallon saltwater tank

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ricardo10

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Is it possible for my tank to cycle in 3 or 4 days? Plz help thx

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Claire Bear

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Hi ricardo10 and welcome. If you are starting your tank with cured sand and/or live rock then yes, it would be possible. You do not say what you are using to filter your tank but I am assuming it is live rock and if that is the case and if the rock was immediately placed from either you cycling it in a trash can for 30 or so days or bought from a local source, well it might of had little die off.
If on the other hand, the material you are filtering with is dry rock and there are no fish or other living organisms in the tank, you may not be showing any ammonia yet.
Either case, I would give it a few days of zero readings on the ammonia and nitrites before proceeding.
These are just my opinions, and I have only been doing saltwater for a little over a year (newby in the world of salt) and hopefully some other reefers will chime in. I am also attaching the saltwater ebook for you to look through as it has tons of helpful information.
https://www.fishlore.com/saltwater-aquarium-reef-tank-book.pdf
Good luck and welcome!
 
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ricardo10

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Thank you for your help and i am using 2power filters rated at 400 gph each. And i added a damsel in yesterday and hes still alive today.

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PuffPuff

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when i had my 75 gallon saltwater tank, i used live sand and live rock and threw in some API quickstart and threw in some food for it to decay. it cycled in 2 and a half weeks. im sure you can add some od Dr. Tim's one and only bacteria and add fish the same day. Which is frowned upon many people in this forum. but its your tank. i used the Dr. Tim's one and only once in my 1st tank i ever got and it worked well. added fish the same day. now i do it the good old fashion way, waiting until it cycles. much more rewarding, IMO.
 
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ricardo10

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Well my damsel is still alive, so could it be cycled?

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Dom90

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Not necessarily, just because a fish is still alive doesn't mean it's cycled. I am mid-cycle in my new 40B and I put 10 cichlids in there last night. All are still alive right now but I know my tank isn't finished cycling yet, I still had 0.50 nitrites as of last night before I put the fish in.


 
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ricardo10

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Ok but all my parameters are at 0 and itll be 3 days for the damsel tmrw

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ricardo10

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My damsel appears to be dying, what should i do?

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ricardo10

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Please help me

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AquaticBrandon

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ricardo10

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Everything is at 0ppm

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ricardo10

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Plz help

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AquaticBrandon

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ricardo10

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Yes everything is at 0ppm, but then i tried feeding the damsel but it wouldn't eat, could it be that it starved to death?

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AquaticBrandon

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How was the damsel? Was it breathing rapidly?


 
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ricardo10

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Yea it was breathing pretty fast

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AquaticBrandon

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Usually when that happens it's because there's ammonia in the tank. But you said that that there wasn't any ammonia in the tank so that's weird.


 
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ricardo10

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Or maybe its the salt because i bought a bucket of salt from a lady and when i poured the salt into water, it smells a bit like soap, is that normal?

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AquaticBrandon

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Wait, you poured the salt into the tank with water? Or did you mix it before adding it? What's the salinity? If it smelled like soap I wouldn't have used it.


 
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ricardo10

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I mixed it before adding it and the salinity is 1.023

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