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RE: Aquatic Plants Digest V4 #1480
- To: <Aquatic-Plants at actwin_com>
- Subject: RE: Aquatic Plants Digest V4 #1480
- From: "Gregory Gooden \(Annex\)" <ggooden at exc1_annex.com>
- Date: Wed, 19 Dec 2001 22:48:05 -0800
- thread-index: AcGIa8OW2Z0GrKyLT5a+EgIl6zAmcQAtV10w
- Thread-Topic: Aquatic Plants Digest V4 #1480
> Date: Tue, 18 Dec 2001 23:42:42 -0600
> From: krombhol at teclink_net (Paul Krombholz)
> Subject: Re: pH Problems?
> >......Desperate to get my tank in order BEFORE my big plant
> order comes
> >from AquaBotanic! <grin at Robert>,
> >
> >Gregory [To see everything Gregory wrote, see Dec. 16 APD]
> >
> I have looked at your pictures, and it is definitely
> blue-green algae. Even the purple-colored stuff is bluegreen
> algae, probably a different species.
Awesome! It's helpful to know what I'm up against! :)
> The rise in pH was very
> likely to your addition of baking soda (sodium bicarbonate).
> Personally, I have no use for sodium bicarbonate. If I want
> to increase the KH of my water, I add a small amount of
> agricultural lime or ground limestone. This way I increase
> the calcium levels, and calcium is a macronutrient. I used
> to have calcium deficiency symptoms frequently in my plants
> when I used the local tapwater, which has no measurable
> calcium or magnesium but has a GH of 9, entirely due to
> sodium bicarbonate. All that bicarbonate makes the water
> alkaline and therefore makes it difficult to get any calcium
> dissolved in the water.
That sounds like fine thinking. Are there any "brand names" that come to mind that I might ask for at my gardener shoppe when it comes to agricultural lime, or is there a place on the internet I might look? (I must admit I've been tempted to try the "TropicMarin Bio-Calcium" supplement I use in my reef tank, in my planted tanks, but FEAR keeps me from doing so.. Grin).
> You have a lot of vallisneria in the background that does not
> seem to be getting nearly as much light as the foreground,
> where you do not have that many fast growing plants. Perhaps
> if you direct more light onto the val, it could get cranked
> up and perhaps hold down the BGA somewhat.
It DOES grow VERY fast (along with the duckweed).. Since I pumped up the nutrients the other day and added some plants, I'm seeing some serious plant perling (and the bga too! Lol)... If I keep up the nutrients AND the CO2, I suspect I may be able to beat this thing!
> I have found that livebearers do a good job grazing on soft
> algae, including BGA. You might try some guppies, platies,
> or swordtails. (Do Discus eat guppies?)
Good idea. Discus don't eat anything they can't catch OR fit in their mouths, so I suspect guppies are safe (discus are SLOOOOW). I'll get a few platys/mollies and see what they can do. :)
> You noted that your fish seemed to be breathing rapidly at a
> pH of 7.3 or so, and, thus, you were worried about increasing
> the CO2. I don't think that the CO2 levels at a pH of 7 or
> higher could be high enough to stress fish. I would
> recommend a little cautious experimenting. Reduce the CO2
> flow and see if the respiratory rates lower. Actually count
> the number of respirations per minute. Try increasing the
> CO2 just a little bit. Does the respiratory rate increase?
> I don't want to be responsible for the death of any of your
> fish, so be cautious in your experimentation.
Well, I pumped up the CO2 pretty HIGH the last few days and the discus have seemed fine really.. I think I was observing them after eating (and yeah, I've been spending WAY too much time at the tank, so they're probably nervous too)..
After I get back in town (leaving in a few days for 7 days), I'm going to try counting the breathing rate and doing some comparisons. I'd like to get over the nervousness about CO2 because I know that it can really help solve the problem (and thus help make the fish healthier too!).
Thanks Paul!!
Gregory
My latest TANK PICS online at ....
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http://www.myfishbox.com/members/ggooden
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