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fishless cycle problem

This is a discussion on fishless cycle problem within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Originally Posted by jcgallaher One small crypt and a good size java fern (about 10 inches tall) tank is a 26 gallon Edit: those ...

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fishless cycle problem
Old 04-18-2011, 03:59 PM   #11
 
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Originally Posted by jcgallaher View Post
One small crypt and a good size java fern (about 10 inches tall) tank is a 26 gallon
Edit: those readings were taken about 6 hours ago as of this posting
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OK, those are slow-growing plants which means they will assimilate fewer nutrients, including the ammonium (ammonia), and in a 26g this will have little impact.

When you get readings of zero for ammonia and nitrite, I would add a few fish. A 26 g is a good size for a group of Tiger Barb, say 12 or so, along with the BN pleco. With a few more plants, and Java Fern and crypts are very suitable, it could be a very nice display.
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Old 04-18-2011, 04:33 PM   #12
 
Ok that sounds good. From the time of the water change to when it was tested this morning, was about 15 hours. I tested it a few hours after the water change and the nirites shot up to about 2, ammonia was about .50, and the nirates hadn't changed.

The only thing I'm worried about is the Ph dropping drastically. The tap is about 7.6 - 7.8 and when we started the cycle it stayed there, then when the ammonia was added a couple days later it went up about the mid 8's and stayed there for a while (even with the wood)

It started to drop when the cycle was coming to an end and for two days it stayed between 6.6 and 6.8. My main concern is the ph changing drastically after a water change, but we'll see in a couple days or so where its going.

Thanks for the replies!
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Old 04-18-2011, 06:27 PM   #13
 
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The only thing I'm worried about is the Ph dropping drastically. The tap is about 7.6 - 7.8 and when we started the cycle it stayed there, then when the ammonia was added a couple days later it went up about the mid 8's and stayed there for a while (even with the wood)

It started to drop when the cycle was coming to an end and for two days it stayed between 6.6 and 6.8. My main concern is the ph changing drastically after a water change, but we'll see in a couple days or so where its going.
I noticed those pH shifts in your earlier posts. Now that you have mentioned them again, I think they should be explored. You certainly do not want shifts like that with fish.

What is the hardness of your tap water? Find this out from the water supply people; many have websites with water analysis posted, but if not you can contact them and ask. We'd like GH (general hardness) and KH (carbonate hardness) if possible. Hardness is closely connected to pH and this info may help to explain things, and then we will know how to deal with it.

Byron.

By the way, I deleted your penultimate post, it was repeated in the subsequent so was a duplicate.
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Old 04-18-2011, 07:17 PM   #14
 
Just did a test and It looks as if the ph is going up like before. I got number for my water info (its not posted online), so ill call them tomorrow and get answers to those questions.
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Old 04-19-2011, 10:02 PM   #15
 
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Just did a test and It looks as if the ph is going up like before. I got number for my water info (its not posted online), so ill call them tomorrow and get answers to those questions.
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Ok, I haven't gotten a hold of anyone at the water department, but I've been checking the ph and its been staying around 7.6.

The ammonia was 0 and the nirites were about .25 so I added just a little bit of ammonia to keep things going for a couple more days.
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Old 04-24-2011, 08:40 PM   #16
 
Ok, so since adding a little ammonia the PH has been remaining pretty stable, however the Nitrites have remained kind of high around 1 - .50. I asked my wife if she's done anything and she mentioned she added a gallon of water between now and then.

So I don't know if adding water has had an effect on prolonging the cycle or not?
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