Is the Moderator right?? - The Planted Tank Forum
 
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post #1 of 13 (permalink) Old 12-18-2006, 06:03 AM Thread Starter
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Is the Moderator right??

this is a Post of 1 Moderator on a Forum about Planted Tank? Is this Possible???


Several of my plant suppliers keep their tanks as pH 5.2-5.4 and KH 2-3dKH. I use to, but now keep it at around 3-4dKH and 6.2pH during the day. My primary plant supplier actually keeps co2 levels at 60-70 ppms, and I keep mine at 50-60 ppms co2. These water parameters have had no adverse affects on my fish, any other locals that keep similar water params as well. 2 friends have their tanks with the 2 dKH and 5.8 pH and have discus and tetras with no problems. I have had everything from tetras to arowana in my primary plant tank, without any problems. I know this style of plant keeping is meeting extreme resistance right now, but while everyone says the fish will die, I have yet to see it.

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post #2 of 13 (permalink) Old 12-18-2006, 12:03 PM
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Is there some particular part about this that you find difficult to believe?

Personally, I might question the cited CO2 levels, because I think in some cases, it is very difficult to get accurate CO2 readings (...at least until I get my Hoppy-inspired drop checker in place ). In my case, my KH=8-9 and I've been keeping my pH around 6.1 recently. I'm using an SMS controller with CO2 on 2 hours prior to the lights.

So, what's you biggest concern with the post?
Brian.
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post #3 of 13 (permalink) Old 12-18-2006, 03:15 PM
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Couple of questions.

1. Why is this posted in the Lounge?
2. What forum was this initially posted in?
3. Why does the fact that it was posted by a forum moderator come into play?

I don't see anything wrong with what the original poster has said. That is their personal experience keeping plants and fish. I have no reason to dispute what they claim.

Mike
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post #4 of 13 (permalink) Old 12-18-2006, 05:20 PM
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Yes, the above is possible. It depends on a variety of factors, but it's possible (e.g. water movement). I've pushed my pH all the way down to 5.0 with a KH of 2 with no adverse effects on fish and the plants. Doing so actually triggered the yellow tail Congos to start breeding.

Eric


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post #5 of 13 (permalink) Old 12-18-2006, 06:24 PM
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From what I've read and my minimal experience--I would say: Yes.

I have been keeping my pH at 6.0 and Gh 4, Kh 2. I began what I believe was the start of a pH crash. I added more baking soda and brought my Kh up to 4--the problem went away. I add Tannins and Humic Acids along with Pressurized C02--I am assuming that something (probably the Tannins and/or Humic Acids) were chewing away at my low Kh--causing it to drop. Without that--I believe that what the poster says is very possible/true.....

I will know more in the future. I am going to raise my Kh to 4 and Lower my Gh to 3. If all goes well for a while--I will then lower my Kh to 3. In the interim I plan on taking my pH down to 5.5, but I am not sure right now at what point I will do that.

HTH


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post #6 of 13 (permalink) Old 12-19-2006, 08:27 AM Thread Starter
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Naja002 and IBN: thanks for answering the question now i know that is possible.

the moderator is suggesting to use 100% RO water, and im applying the Ph and KH realtionship, but anyway i know its possible now.

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post #7 of 13 (permalink) Old 12-19-2006, 03:11 PM
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Yes it is very possible, I use RO/DI with more success than using tap water and I do not buffer the water with anything, that is not needed, so don't be fooled into thinking it is

Craig

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post #8 of 13 (permalink) Old 12-19-2006, 09:33 PM Thread Starter
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I just Used ADA AS and now my Kh is 8 and Gh is 9, Ph is 6.4, do i still need the RO

20 Gal. JBJ 2x65watts CF, ADA Aquasoil, JBJ Pressurized Co2, Rhinox 3000 and Aquaclear 50 (Current Tank)
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post #9 of 13 (permalink) Old 12-19-2006, 09:58 PM
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Need RO? no, you can grow a lot of plants in your tap water, but soft water is king for growing plants.
An RO/DI unit is definitely a luxury.
You will only need one if you want to grow Tonina and such, in that case the lower the KH the better.

Craig

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post #10 of 13 (permalink) Old 12-20-2006, 08:58 AM
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100% RO is fine but a blend is stypically what is done, saves = less RO!
GH.........you and the plants need the GH added, KH is somewhat optional.

Regards,
Tom Barr




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Tom Barr
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post #11 of 13 (permalink) Old 12-20-2006, 01:46 PM
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How do you feel comfortable with low KH?

Does soft water mean low GH, too?
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post #12 of 13 (permalink) Old 12-20-2006, 07:09 PM
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Quote:
How do you feel comfortable with low KH?
Easy, think aeration instead of sodium bicarb, put it this way, what do you think the fish and plants prefer? oxygen or baking soda? the answer is simple and once you see the results and understand it then your homefree.

Quote:
Does soft water mean low GH, too?
Yes, most all plants prefer softwater, no reason in the world to make it harder..none!

Craig

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post #13 of 13 (permalink) Old 12-22-2006, 05:05 AM
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I believe many suggest its best to keep the GH around 5 or so at a minimum. But this has been debated before.





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