Changed Substrate. Ammonia rising, what to do? - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 03-20-2015, 01:02 AM Thread Starter
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Changed Substrate. Ammonia rising, what to do?

Hello,

I finally change substrate from gravel to blasting sand last night.

I checked ammonia last night, neg. This morning, neg. This evening 0.25ppm.

I have 2 HOB filters that were fully cycled and kept running after the change.

I used Tetra Safe Start Plus (The small bottle that says it treats 20 gallons).

The fauna does not seem stressed yet.

I am hesitant to change water due to using the safe start. I will check everything again in the morning.

Is this normal? When do I get worried?

I have purigen in both HOBs (has been there for awhile). I have Prime, but I read that it is not recommended to use along with SafeStart.

Thanks,
Ben

Last edited by benealing; 03-24-2015 at 01:58 AM. Reason: Changed title
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post #2 of 9 (permalink) Old 03-21-2015, 01:49 PM Thread Starter
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Update:

The ammonia is sitting around 0.5ppm. The nitIte is between 0-0.25ppm. Not quite purplish, not quite bluish. NitrAte is 20ppm.

I added a second bottle of SafeStart, the medium sized bottle this time.

The fauna is still acting normal.

Does anyone have any advice? Do I just keep on monitoring things? When do I act?

Thanks for any help.

Ben
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post #3 of 9 (permalink) Old 03-21-2015, 02:24 PM
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I'm about to change out my substrate also and have done so once in the past. Went from gravel to pool filter sand and now to black diamond blasting sand. When I changed to pool filter sand I took everything out of the tank, put my fish in a tub with my filters ( 2 hob's) and heater rescaped the tank put all new water in with declorinator and put the fish back in. Did not even check parameters, fish were fine. But, when I do this again I will add the old water from the tub and top off with new instead of all new water. My filters are also established with bb. I will also check parameters this time and have switched over to using prime for my declorinator. I read that if you could put some old substrate in a nylon mesh bag or something like that and let it hang in the tank it also helps. The substrate holds quite a bit of bacteria. I don't think that your parameters will get any worse, maybe feed lighter than normal until bb establishes in the rest of the tank.
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post #4 of 9 (permalink) Old 03-21-2015, 02:32 PM Thread Starter
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I have the old aquarium gravel in a bucket, but it has been sitting out since Wednesday night and is mostly dry by now. I assume it is no longer beneficial to add any to the tank?
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post #5 of 9 (permalink) Old 03-21-2015, 09:48 PM
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No probably not, I still think that you will be ok. I believe the filters will catch up pretty quick with bb.
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post #6 of 9 (permalink) Old 03-24-2015, 12:04 AM Thread Starter
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So, my ammonia appears to be getting worse. I have now added 3 bottles of TSS+ over the past 5 days. I have attached a picture of my ammonia test. What ppm does this look like to you? Is it time to consider a water change or just keep letting it ride? My nitrIte is still negative.

I have found 1 shrimp dead so far.

Thanks for any help. This is not going nearly as smooth as I had anticipated :*(
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post #7 of 9 (permalink) Old 03-24-2015, 12:26 AM
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Change the water, you are losing livestock
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post #8 of 9 (permalink) Old 03-24-2015, 12:31 AM Thread Starter
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How much of a water change would you do and would you add more bottled bacteria or just start doing daily changes?
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post #9 of 9 (permalink) Old 03-24-2015, 03:28 AM
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25-50% water change will definitely help. I peronally would not add any more bacteria. Looks like it has been about 4 days since the gravel change. Guessing you have a few more days until the filter catches up (based on recent personal experience). Daily water changes would probably be your best choice.
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