Problems with Submersed HC - The Planted Tank Forum
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post #1 of 20 (permalink) Old 06-05-2013, 03:18 AM Thread Starter
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Problems with Submersed HC

I've successfully grown HC using the DSM then flooding. This time around however, I am trying to use clippings from an already established HC carpet to jumpstart a new carpet in my new 3 gallon nano. Within a few days of planting however, I'm quickly seeing yellowing.

Substrate: Eco Complete
Dosing: N & P, trace minerals via Flourish and carbon with Excel
Light 2 x 13w CFL



Is this just shock from being cut and transplanted? Or does HC not thrive like this? I have browning in my DHG (visible in fotos) but I'm chalking that one up to the store bought DHG acclimating to its new submersed climate. Any help? Sorry I know the pictures aren't best, what looks like white spots on the leaves is the yellowing.

Side note (sorry for the ramble) will the HC naturally get cozy with the ground and spread? Or do I have to coax the vertical strands down...
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post #2 of 20 (permalink) Old 06-05-2013, 03:42 AM
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I can say it's not enough/correct light. What's the temperature of your CFL?
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post #3 of 20 (permalink) Old 06-05-2013, 04:14 AM Thread Starter
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6500 or 6700K Don't remember which.
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I can say it's not enough/correct light. What's the temperature of your CFL?
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post #4 of 20 (permalink) Old 06-05-2013, 04:37 AM
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HC is a CO2 hog; was the tank you got it from getting pressurized CO2? I am assuming from your post above the current nano is not.

In my experience, when starting a new carpet, there will be some vertical growth as the the plant acclimates, but depending on your lighting, it should mainly spread horizontally across the substrate and you can trim any small shoots that come up over time (although I find my carpets are growing vertically less and less over time).

Good luck
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post #5 of 20 (permalink) Old 06-05-2013, 04:38 AM Thread Starter
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Nope my other tank is also a nano run on the exact same style lighting and uses excel. and the HC in that tank took off like wild fire.
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HC is a CO2 hog; was the tank you got it from getting pressurized CO2? I am assuming from your post above the current nano is not.
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post #6 of 20 (permalink) Old 06-05-2013, 04:41 AM
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how old is the Nano you just planted the HC in?
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post #7 of 20 (permalink) Old 06-05-2013, 04:56 AM Thread Starter
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how old is the Nano you just planted the HC in?
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post #8 of 20 (permalink) Old 06-05-2013, 01:17 PM
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that may be your issue; a new tank may be causing the HC to respond negatively; I would continue to watch it and remove, cut away any dead or transparent stems/leaves until the plant establishes itself (or the tank stabilizes).
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post #9 of 20 (permalink) Old 06-05-2013, 11:57 PM Thread Starter
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What exactly about the new tank do you mean? Just shock? Or a lack of something?
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that may be your issue; a new tank may be causing the HC to respond negatively; I would continue to watch it and remove, cut away any dead or transparent stems/leaves until the plant establishes itself (or the tank stabilizes).
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post #10 of 20 (permalink) Old 06-06-2013, 01:17 AM
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So the clippings are from your other established nano with exactly the same lighting, fert schedule, excel dosage and substrate? Sounds like the clippings need some time to establish roots. Push the new upward growth into the substrate, that's what I do.
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post #11 of 20 (permalink) Old 06-06-2013, 01:24 AM Thread Starter
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Any idea how long it takes for HC clippings to start growing roots? Would be a crying shame if they died before they could get their little roots out...

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So the clippings are from your other established nano with exactly the same lighting, fert schedule, excel dosage and substrate? Sounds like the clippings need some time to establish roots. Push the new upward growth into the substrate, that's what I do.
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post #12 of 20 (permalink) Old 06-06-2013, 01:33 AM
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What exactly about the new tank do you mean? Just shock? Or a lack of something?
This happens every time I introduce HC into a new tank. Initially there is some shock and melt, followed by the inevitable algae growth on the new growth at for a week or two, followed by a quick growing carpet.

I would just cut away any dying or dead parts when doing water changes, and it should begin to root and spread in a couple of weeks (provided all other things are met i.e. light, ferts, etc.)

Note that CO2 greatly accelerates this process especially for HC in my experience.
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post #13 of 20 (permalink) Old 06-06-2013, 01:37 AM
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actually looking at the pictures roots should develop a little quicker because it looks like some of the stems already have some roots starting to grow.
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post #14 of 20 (permalink) Old 06-06-2013, 01:46 AM
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Quote:
Originally Posted by melanotaenia View Post
This happens every time I introduce HC into a new tank. Initially there is some shock and melt, followed by the inevitable algae growth on the new growth at for a week or two, followed by a quick growing carpet.
You say an algae phase. Can HC handle a tank treatment of H2O2 ?
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post #15 of 20 (permalink) Old 06-06-2013, 02:01 AM
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Treated my tank two weeks ago with H202 because of hair algae, my HC seems fine.
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