Cycle?

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Nozebleed

Feeder Fish
MFK Member
Nov 18, 2008
195
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Dublin Ireland
Today i just emptyied my tank due the floor sinking! i basically had to empty the tank bar 1inch of water. i kept the external filter running with the fish in a small 30L quarantine tank..im wondering will i have to cycle my tank again? or is cycling only an issue when you have new filter media? Im surprised i have to ask this question!:banhim:
 
i'd put the water in for 24 hours before putting fish in, even though there are still bacteria in the filter.
 
In an emergency situation like that I have always just put water (with dechlorinator) straight into a tank and added the fish right back with no hassles.
Your filters are already cycled and colonised with bacteria so adding new fresh water should be ok... definately go with a dechlorinator and make sure the temperature is right of course and you should be fine :)... also just keep an eye on the fish and try do more frequent water changes for a couple of weeks incase you have lost a lot of the bacteria in the filters
 
As long as you keep the filters running and there getting a source of ammonia for example put the filters were ever the fish are then you will be fine it would just be like they were in the bigger tank.
 
cool thanks guys'...essentially i;ve done a 100% water change. i was going to add some stress zyme and dechlorinator tomorrow when i fill the tank all the way. then i'll add the fishes when temp gets up to normal.
 
If you can keep the filter media with the fish you will have no troubles at all.

The filter media can go about 24 hours with out ammonia with no ill effects, but after that you start loosing about 50% of your bacteria every 24 hours.


What's the deal with your floor? That sounds serious.
 
well when i first set up the tank..the water level was slightly higher on the left side than the right,so i checked everything got to do with stand construction and tank etc and it was fine...i also checked the floor level and it was slightly off level..so i just went ahead thinking it would be fine...but over the last 6 months the floor as sunk on one side due to weight,the water level difference is about half inch higher on the left side of the tank compared to the right. when i first set it up the difference was 1-2mm at most barely noticable. so i stripped everything down to see if i could do anything to rectify the situation but unfortunately i dont have adjustable feet on my tank so its not gona happen...im just gona mark it with felt pen and keep an eye on it from week to week!
again thanks for the replies they were very helpfull.
 
What size tank is it? Is it on the first floor and is there a basement or crawl space under it. It sounds to me like the floor is beginning to sag and if that is the case your going to need to get it fixed professionally if you don't know how to do it yourself. Leaving the tank up on a sagging floor will make the floor worse an eventually your tank will begin to twist and it will burst a seam.
 
Cycling is only an issue with new media.As long as the filter was in with the fish,the bio load will be the same,and therefore no need to recyle or to even worry about a mini cycle.
 
Is this your house or a rented unit?

If its your house, get that floor fixed.

If its a rental, go to Home Depot and buy a sheet of 1" plywood.

Cut it down to be as much bigger than your tank as you can stand to look at. The ply wood will do miraculous things to distribute the weight of the tank. The larger the piece you use, the better for the floor. But using a 4x8 sheet under a 30 gallon tank will look ridiculous, so cut it down to a size you can deal with.
 
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