Melon Sword (Echinodorus osiris)
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Melon Sword (Echinodorus osiris)


Information

Common Name: Melon Sword
Proper Name: Echinodorus osiris
Category: Echinodorus
Temperature: 18 - 28 C
PH: 6.5 - 7.5
Lighting: Medium
Growth Rate: Medium
Difficulty: Easy
Origin: Brazil
Position in Aquascape: Mid-Ground
 
Algae Grower
 
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I have had one of these about four months. I don't have C02 injection. and I don't really add other nutrients. but there is high light and it has put out sevral new red leaves in the time I have had it. I just re-aquascaped and noticed it has new roots as well. Very pretty easy plant. :D
 
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i had a small one for a year and it never got higher than 3 inches. with 4 wpg. dissapointment
 
Algae Grower
 
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Beautiful plant and seems quite hardy. From personal observation/experience, keep an eye on your pH though. Our tank's pH was in the 6.2-6.5 range for a while (depending on which tester we used). The plant hung in there with stems becoming mushy and eventually falling off the rest of the plant. This was happening steadily for approximately 2 months or so. What did seem to remedy this issue was when the pH was raised to the 7+ range. Another observation is how the leaves have since grown in more red with a higher pH. Maybe it's just coincidence that our lighting setup was just changed, too, though..
 
Algae Grower
 
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This was the first plant I ever bought and it has survived for 1.5 years. From ph 7.2 down to 6.6 now, never gets more than 6 leaves though. Recently got pressurized co2 injection and its dark red color came back
 
Planted Tank Obsessed
 
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Had one of these guys for a while, thought it was a crypt. It survived with 1 wpg, while everything else died. Now it's in a higher light, properly supplemented tank... and it doesn't seem to have noticed. Nice foreground plant. Keeps its colour.
 
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Bought one of these and by far it has been the best sword i've had for the level of it's growth. No Co2 or fertilization except the fish poop and this plant was putting out a minimum of 1 leaf a week but as soon as one is halfway up there is another coming right behind it. I neglected the tank with this in it for a number of months and it decided that it would be a good time to put out 3 different flowering stocks about 2 foot long each, they all flowered and grew plantlets. I now have 6 of these, two of which are still just floating around and need planted. When i added root tabs for the first time this started producing leaves two at a time!
 
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how big do they get? pm me please
 
Planted Tank Guru
 
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These are really great swords to keep in low light. I have 4-5 in my 29 gallon tank and leaves are only 1"-2" long, so its a pretty good foreground plant. Adds some nice color to the tank as well.
 
Algae Grower
 
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Awesome plant. They grew like crazy with only 1.5 wpg, plain gravel substrate, and no CO2! Very hardy.
 
Newbie
 
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Amazing and versatile plant. Though those recommending it for a small foreground plant beware if you move to higher lighting with Co2 and ferts, mine stayed small and pretty with nice small oval shaped leaves till I upgraded to high tech, then it took off! The leaves grew in much longer and elongated and started putting out a new one once a week or so. Under higher light the older leaves will tend to lay flat against the substrate, taking up more horizontal space and less vertical space, as seen in the main pic, which I find unfortunate, but may appeal to some.
 
Algae Grower
 
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I have this plant in my discus tank,It continuesly grows new leaves.The temp varies between 85-86f. With mild amount of ferts and co2, wpg 1.5. Very hardy plant
 
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This sucker turned into a beast for me. I don't know where to put it now that I'm about to rescape. I bought this sword when it fit into the palm of my hand. I thought it would make a nice mid plant. Now it's well over a foot in width with it's leaves bent on the corner glass of my tank. Beautiful plant.....I just wish I had the space for it.
 
Algae Grower
 
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I just bought 2 of these and don't know how or where to plant! I've got sand, do I bury the roots or tie it to something. Please help
 
Planted Tank Enthusiast
 
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I would put your question in the Plant discussion forum - it is much more suitable than this area.
 
Planted Tank Obsessed
 
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Nice plant, and very easy but can get massive, under high light and co2, leafs grow out of my 125 gallon (over 21") and get four inches wide, it also flowered and I got 15 plants off one stalk. Took two years to get to this point though. In a low light tank plant grows much slower, and stays smaller. Also I have always used playsand with plain jobes fert sticks.
 
Newbie
 
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When I got this plant, it was 12-14" with round leaves, so I put it in the background. Over the next months all new leaves were a different shape (like in these pictures) and the overall height was only about 6". I trimmed off any older leaves and replanted to midground, and it's doing great. It's stayed at this height for a few months now. New leaves have a nice deep red that eventually turn to a deep green. Tank conditions are 29 gallon, medium lighting, co2, and ei dosing.
 
Planted Member
 
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With a dirt substrate and Ei dosing mine put on new leaves constantly. Lights right on it is splayed out and stays low and when things are shading it, it starts getting taller. Great fore to mid ground plants depending on lighting conditions.

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