Plants for soft water? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 05-21-2008, 06:35 PM Thread Starter
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Question Plants for soft water?

Hi
I have a 29 gallon tank with 40watts. My water is very soft. I had chain swords and java fern windolow melt in this tank. Could it be the soft water melting the plants? For there are suppose to be low light plants.

What other plants can I put in my tank?
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post #2 of 5 (permalink) Old 05-21-2008, 07:56 PM
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How long were the plants in the tank for? Sometimes they need a couple weeks to get adjusted.
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post #3 of 5 (permalink) Old 05-22-2008, 12:56 AM
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All plants will grow in soft water. Plants tend to only melt when there is a significant change in the KH of the water they came from to the KH of the water they currently inhabit. The KH break points appear to be approxiamately 4-6 and 10-13 in my experience. Usually, if the nutrients are right and they have the proper amount of light, they will melt and regrow (sometimes from almost nothing at all). If they have an adequately established root system, they normally will regrow.
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post #4 of 5 (permalink) Old 05-23-2008, 10:32 PM
 
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Do you mean low KH or low GH? I have no problem growing all sorts of plants with near 0 KH. However, all plants need GH (calcium and magnesium) to survive, if you have a GH below 3 or 4 you should add epsom salts and calcium chloride to bring it up.
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post #5 of 5 (permalink) Old 02-17-2009, 03:29 PM Thread Starter
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Quote:
Originally Posted by Carissa View Post
Do you mean low KH or low GH?
The Kh and Gh of the water is 0. Since I have been dosing with KNO3 both are at 3 now.

I believe water is excessively treated with chemicals for the ph of tap water is 8.6 and water is very soft.

In Dec I changed the substrate. I added K2SO4, CaSO4, baking soda, peat moss, sand and red bag kitty litter to the topsoil and topped it with fluorite. The result is the ph is stable at 7.4.

Thanks for the info guys.
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