Is it mandatory for hornwort to be in cold water?
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Is it mandatory for hornwort to be in cold water?

This is a discussion on Is it mandatory for hornwort to be in cold water? within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> My hornwort melted in a couple days. I keep an avg. 80 degree tank & fertilize weekly. http://www.fishtanks.net/fishtank.php?fishtank=8234 This was pre-betta. I had to ...

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Is it mandatory for hornwort to be in cold water?
Old 05-11-2013, 10:32 AM   #1
 
Is it mandatory for hornwort to be in cold water?

My hornwort melted in a couple days. I keep an avg. 80 degree tank & fertilize weekly.
http://www.fishtanks.net/fishtank.php?fishtank=8234
This was pre-betta. I had to discard the hornwort and do a near complete water change. I'm new to the planted aquarium so when I bought my plants I asked if some plants couldn't be planted with others and they said no but didn't say anything about cold water/warm water plants. When I bought the hornwort it was purple/brown but as it grew it was lush green. All the purple/brown melted. Did I buy a dud plant or do cold water plants not do well in tropical freshwater tanks? I currently have fairy moss in my tank even though it's traditionally a cold water pond plant and it's been growing well.

On a side note does anybody know if the main plant shown on my aquarium log is amazon sword? I want to verify.

Last edited by Corinne245; 05-11-2013 at 10:37 AM.. Reason: Link
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Old 05-11-2013, 10:59 AM   #2
 
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As I see you are a new member, I'd first like to welcome you to Tropical Fish Keeping forum.

Second, I'll mention our profiles, under the second heading from the left in the blue bar of the header of the page. Hornwort is one of the plants included.

As it mentions in the profile, the light intensity determines the colour. Temperature should not matter to this species, as your tank is within the indicated range.

When selecting plants for an aquarium, one thing to keep in mind is that some plants have specific requirements when it comes to light, from either very minimal to very intense. Sometimes it takes a bit of trial and error to find plants that are "compatible" in your situation which can include temperature, water hardness, as well as light. If the Hornwort is growing nicely and remaining lush green, consider yourself lucky; many try this plant and have it fall to pieces.

To the group of plants, yes, those are sword plants. Probably the species is Echinodorus grandiflorus grandiflorus. There are a few species that develop largish leaves on a very long stem, like Echinodorus cordifolius which is in our profiles [click shaded name] but you will see the leaf shape is different. E. g. grandiflorus has round base lobes unlike E. cordifolius which is chordate. But this is no guarantee, as the emersed and submersed leaf forms can change in many species. But your plants are definitely Echinodorus swords.

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