Help with growing HC - The Planted Tank Forum
 
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post #1 of 13 (permalink) Old 06-12-2013, 05:41 AM Thread Starter
ZiM
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Help with growing HC

Hi guys. I am a new aquarium enthusiasts.
I've had my tank for about 7 weeks. It's a 12 gallon 19x12x12.

Everything is going well so far, nitrogen cycle is finally done and fish look happy (i think).

Originally, I had 2 LED lights but besides being white and bright they didn't give enough light for HC to grow. about 7watt each.

Archaea SLIM-PRO Aquatic Plant LED fixture (for 45cm tank)

So, after some reading on the planted tank light forum I've decided to get a http://www.amazon.com/Kessil-A150W-700K-Amazon-Light/dp/B0078ES4OU
I do like the light, finally i can see some pearling on the plants and they are growing faster, but HCs are still not growing.

Could someone please give me an advice on what am I doing wrong.

Thank you


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post #2 of 13 (permalink) Old 06-12-2013, 05:46 AM
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First of all I like your dragon stones. I am using them as well.. Cuba (HC) needs to grow root system in first month after planting. So they start to spread after their roots are strong enough. So when did you change your light? If its less than 1 month you can wait more to spreading. If you take off one of your Cuba you can see that many roots spread under the soil.

If your light is about 1 Watt per liter they can grow horizontally. Less than that they wants to reach light and grows horizontally.

I can say HC=Patience

Good luck!


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Turkish boy from Hong Kong...
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post #3 of 13 (permalink) Old 06-12-2013, 05:52 AM Thread Starter
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Quote:
Originally Posted by Gecko View Post
First of all I like your dragon stones. I am using them as well.. Cuba (HC) needs to grow root system in first month after planting. So they start to spread after their roots are strong enough. So when did you change your light? If its less than 1 month you can wait more to spreading. If you take off one of your Cuba you can see that many roots spread under the soil.

If your light is about 1 Watt per liter they can grow horizontally. Less than that they wants to reach light and grows horizontally.

I can say HC=Patience

Good luck!
Thank you Gecko!

I made a change about a week ago. Running small Co2 system as well for 6 hours and lights for 8.
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post #4 of 13 (permalink) Old 06-12-2013, 06:27 AM
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The HC in my spec has took about a month or so before it has started to spread about the tank. That's with pressurised co2 and ei dosing. Just stick with it. If your other plants are doing well then I'm sure it won't be long before the HC takes off.

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post #5 of 13 (permalink) Old 06-12-2013, 01:44 PM Thread Starter
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Originally Posted by joey24dirt View Post
The HC in my spec has took about a month or so before it has started to spread about the tank. That's with pressurised co2 and ei dosing. Just stick with it. If your other plants are doing well then I'm sure it won't be long before the HC takes off.
Thank you Joey. Background plants are doing great. Rotala, Bryxa and micro swords are thriving but it could be because they don't need a strong light. There are still some diatoms from brown algae on the leafs but looks like its going away.

Question. Whats EI dosing.
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post #6 of 13 (permalink) Old 06-12-2013, 01:47 PM Thread Starter
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Also, would you guys recommend a snail for algae control?

I have 2 ottos and few amano and red cherry shrimps. Shrimps are hiding in dragon stones and ottos are hanging in the back most of the time. If i get a zebra snail, how do i keep it from multiplying?

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post #7 of 13 (permalink) Old 06-12-2013, 02:11 PM
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Question. Whats EI dosing.
Estimative Index

dosing dry ferts, do a search here on the forum as well as google

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post #8 of 13 (permalink) Old 06-12-2013, 08:49 PM
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Yeah estimative index dosing. I personally do mine in a liquid form but I still weigh out the ferts to suit my needs.

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post #9 of 13 (permalink) Old 06-13-2013, 03:06 AM
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It's hard to say; there are a lot of things that could contribute to your dying HC. But what pops out at me is the lack of CO2. You say that you run CO2 for 6 hours, but you run your lights for 8 hours. Maybe you could up the duration of the CO2 to 8 hours as well? And how many bubbles per second (bps) of CO2 go into your tank? You may want to pick up some Flourish Excel from the store. It's a liquid carbon supplement that makes it easier for HC to photosynthesize. HC really likes CO2, so you may want to try that.
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post #10 of 13 (permalink) Old 06-13-2013, 04:42 AM Thread Starter
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Quote:
Originally Posted by Overgrowth View Post
It's hard to say; there are a lot of things that could contribute to your dying HC. But what pops out at me is the lack of CO2. You say that you run CO2 for 6 hours, but you run your lights for 8 hours. Maybe you could up the duration of the CO2 to 8 hours as well? And how many bubbles per second (bps) of CO2 go into your tank? You may want to pick up some Flourish Excel from the store. It's a liquid carbon supplement that makes it easier for HC to photosynthesize. HC really likes CO2, so you may want to try that.
I run about 1 bubble every 2 sec. Should I up the count? I will increase duration to 8 hours as well.

Thank you
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post #11 of 13 (permalink) Old 06-13-2013, 04:48 AM
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for my tanks I usually run 1 bubble per sec


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post #12 of 13 (permalink) Old 06-13-2013, 12:34 PM
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With co2 you need it there ready for the lights on. I have co2 come on about two hours before the lights. That way when the lights come on the co2 is ready for photosynthesis. Have the co2 switch off about half an hour before the lights go off.

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post #13 of 13 (permalink) Old 06-13-2013, 07:58 PM Thread Starter
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Thank you Joe. That's what I was just about to ask
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