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post #1 of 11 (permalink) Old 03-09-2005, 04:15 PM Thread Starter
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Exclamation C02 overdose!

Hey guys, I recently started a 10 gallon planted tank. I tested the water to be 3dkh. I then set the sms controller to 6.6 ph to get me around 30 ppm. I recently tested the tanks water again about a week and half later and now the kh is 9, (lamotte test kit). So by the co2 chart it said I got around 65ppm of co2 in there . I have some otto's and cory's in there but there not gasping for air. What could of caused this? I have been adding some fertalizers, would that up the kh? All i have in there is glosso and red ludwigia, (I know I need more plants, still waiting on the order). The water out of the tap is still comming out 3dkh. Should I lower the co2?
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post #2 of 11 (permalink) Old 03-09-2005, 04:20 PM
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Dissolving substrate?
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post #3 of 11 (permalink) Old 03-09-2005, 05:06 PM Thread Starter
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It has 100% eco-complete, is that common?
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post #4 of 11 (permalink) Old 03-09-2005, 05:17 PM
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fairly common, should stabilize after few WCs

Raf
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post #5 of 11 (permalink) Old 03-09-2005, 09:04 PM
 
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Yes you should raise your set ph point to correspond with your kh untill it lowers.
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post #6 of 11 (permalink) Old 03-09-2005, 10:37 PM
 
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Why is everyone accepting that eco-complete raises (at least temporarily as I understand it) KH in tanks?

I just got my latest issue of TGA and there's a full page ad for eco-complete. One of the "selling points":

" Nitrate and carbonate free - will not increase pH or carbonate hardness"

Yet everyone seems to take it in stride that this supposedly carbonate free substrate is playing with their water chemistry .

Is this stuff so good that one can ignore this issue?
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post #7 of 11 (permalink) Old 03-10-2005, 02:46 AM Thread Starter
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I guess I'll just see if it goes dow in time with water changes. I have used eco complete in the past and I dont think I ever had issues with kh.
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post #8 of 11 (permalink) Old 03-10-2005, 04:53 AM
 
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I had the same problem with mine. After three 50% water changes it was back fairly close to my original figures.
I did however do quite a bit of searching on the various boards to see if other people were experiencing the same. I came across this post on aquaticplant.com, see second post http://www.aquaticplantcentral.com/f...8&page=2&pp=10
This person actually got a reply and an explanation as to why it will affect PH, KH & GH with certain bags.
It would also explain why some people are not experiencing variations.
At any rate in my case anyway the problem was temporary.
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post #9 of 11 (permalink) Old 03-10-2005, 05:47 AM
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I have eco-complete in my tank and it has never gone above 5 degress kH.

40 gallon SeaClear Acrylic, 192 watt Orbit Lunar PC, Filstar XP2, Filstar XP1, JBJ Regulator, Rhinox 5000 glass co2 diffusor, 9 watt UV sterilizer, Hydor Inline Heater, Pool Filter Sand substrate
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How comes shoppings so stupid, looks at all this stuff I haves, what do I do's with it.
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post #10 of 11 (permalink) Old 03-10-2005, 04:10 PM
 
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Quote:
Originally Posted by Anthony
I have eco-complete in my tank and it has never gone above 5 degress kH.
Anthony, I guess your one of those not affected.
I also read in another site were this was discussed at lenght that only about 20% of the bags of EC produced are affected by this problem.

In my case my original KH was 7.2 from the tap, settled at 6.4 after mixing tap/ RO. It went to 10.8 over a 5 day period. After 4 water changes using 70/30 mix RO/tap it is now levelled off at 5.4.

Would I use EC again...You bet. I think this is just one of those things that one can expect could happen when setting up a tank.
The only problem I suspect this KH raising may have caused is perhaps contributing to my GW episode.
It has had absolutly no ill effects on my fauna/flora.
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post #11 of 11 (permalink) Old 03-10-2005, 05:30 PM
 
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Quote:
Originally Posted by Laith
Why is everyone accepting that eco-complete raises (at least temporarily as I understand it) KH in tanks?
because at least 40% of eco complete users see an increase in their Kh after adding it. it's not the eco complete, its the 'liquid amazon' water it's packed in, which is why some suggest dumping that out, and rinsing the eco once before putting it into the tank.
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