DSM and cycling - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 09-20-2017, 07:56 PM Thread Starter
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DSM and cycling

I had done a DSM for about 5 weeks before flooding my tank, it's now been 5 days since the tank has been flooded and my Ammonia still reads very high at about 4 ppm.

I had thought that the DSM kick starts the bacteria colony so that the process goes much faster. Considering I had a 5 week head start with the DSM, is it normal for the Ammonia levels to be so high after 5 days of flooding?

As an FYI, there is also Nitrite readings to I know the process has started, but I am a little surprised that Ammonia remains this high.
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post #2 of 7 (permalink) Old 09-20-2017, 08:18 PM
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What is your substrate? What is your ammonia source?
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post #3 of 7 (permalink) Old 09-20-2017, 08:36 PM
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Also have you done any major water changes since filling? I have found that a few large water changes definitely helps immediately after filling for DSM.
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post #4 of 7 (permalink) Old 09-20-2017, 08:43 PM Thread Starter
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Sorry, important info I should have included: it's aquasoil so there should be an abundance of ammonia as source. The substrate slopes down, so during the DSM part of the substrate was out of water (a good portion of it) so it is expected to have some ammonia leaching, but with bacteria already established I would have thought that would be a much lower reading by now.

Vohlk - yes, I have been doing 50% or more water changes every day since filling.
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post #5 of 7 (permalink) Old 09-20-2017, 10:17 PM
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I'm guessing water circulation was insufficient to promote large bacteria culture.

Regardless of the reason you don't have a cycled aquarium now, I'm sure you will have one soon. Just wait it out
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post #6 of 7 (permalink) Old 09-20-2017, 10:39 PM
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A reading of 4 ppm is not surprising with AS. It sometime goes 8-9 ppm when filling. Don't rush to put fish in. Take the time to allow the plants to transition and show healthy growth before you start adding fish even if the tank appears cycled.
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post #7 of 7 (permalink) Old 09-21-2017, 12:20 AM Thread Starter
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I had no rush with adding any fish, but some hair algae is taking over the tank really fast and smothering my HC carpet, so I thought a couple dozen Amano shrimp could take care of it but obviously I can't add any fauna unit the tank has cycled. At this rate, there won't be any plants left by that time!

Whatever this thing is, it's completely resistant to Excel; in fact, it's been spreading ever since I've been spot dozing and adding 2X the dose. I haven't received many replies in the algae section, perhaps someone has any ideas about what I should do?

Here's the thread: https://www.plantedtank.net/forums/23...gus-algae.html
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