Should I be expecting my Downoi to melt?
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Old 01-20-2013, 01:35 PM   #1
hedge_fund
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Should I be expecting my Downoi to melt?


Hello. I just received about 25 downois on Friday. I do not see them melting yet but is it certain that they will? If they do, is there any way to slow it down?

I have a ton of Co2 going into this tank and I use the EI method of fertilizing. Substrate is 3 month old ADA Amazonia/Africana (deep too about 3 inches). I inserted some osmocote root tabs prior to planting the Downoi.

I can't wait for them to fill in!

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Old 01-20-2013, 02:49 PM   #2
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i have played around with crypts for a couple years now... i noticed something.

if i moved them from soft water to hard water, they didnt melt, but if i moved them from hard water to soft water, all the leaves melted. i think some of the problems we have with plants melting stems from changes in osmotic pressure that causes the cells in the plants to explode. at the pet store my wife works at, they use RO water with very low total dissolved solids for their plant tank. the owner wont buy crypts because they have always melted as soon as he puts them in his tank.

i, on the other hand, have not had a single plant melt since i came out here to california. the water here is extremely hard with a high KH and PH(and i use tap). back in north carolina, with the soft acidic water, melting was pretty much expected with all plants prone to melting.
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Old 01-20-2013, 03:10 PM   #3
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Originally Posted by auban View Post
i have played around with crypts for a couple years now... i noticed something.

if i moved them from soft water to hard water, they didnt melt, but if i moved them from hard water to soft water, all the leaves melted. i think some of the problems we have with plants melting stems from changes in osmotic pressure that causes the cells in the plants to explode. at the pet store my wife works at, they use RO water with very low total dissolved solids for their plant tank. the owner wont buy crypts because they have always melted as soon as he puts them in his tank.

i, on the other hand, have not had a single plant melt since i came out here to california. the water here is extremely hard with a high KH and PH(and i use tap). back in north carolina, with the soft acidic water, melting was pretty much expected with all plants prone to melting.
Great answer, thanks.

I think I'll probably experience some melting since my substrate buffers the PH pretty low. I use regular tap water when I do 50% water changes so that might help a bit.....I also dose a decent amount of Equilibrium which hardens the water some.
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Old 01-20-2013, 03:31 PM   #4
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Mine only melted completely because I had to cut CO2 short a day. The old growth did melt a little, but it did have nice new growth. I'll have to try it again sometime.
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Old 01-20-2013, 03:40 PM   #5
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Mine only melted completely because I had to cut CO2 short a day. The old growth did melt a little, but it did have nice new growth. I'll have to try it again sometime.
Good to know....I hope mine stay intact. I would hate to have a massive melt with that many plants. I'd probably be scooping up dead leaves for weeks.
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Old 01-21-2013, 01:08 AM   #6
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I bought some Downoi off the SNS here nearly 2 months ago. I'm only doing DIY CO2 until the rest of my regulator parts show up and I'm dosing 1/2 EI.

Mine have been growing surprisingly well, and I've even propagated 1 off. I've had zero melt on them.
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Old 01-21-2013, 03:45 AM   #7
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My rule is that if I believe it won't melt, it won't. If it does, Mr. Amano didn't want it to work.
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Old 01-22-2013, 11:38 PM   #8
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Did they melt?
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Old 01-23-2013, 01:44 AM   #9
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Did they melt?
Some of the bottom leaves are falling off but I guess that's expected since they did sit out in 25 degree weather for a few hours on Friday. I think they will make it since new shoots are starting to come in.
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Old 05-28-2013, 09:58 PM   #10
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I'm curious as to what has happened with your downoi? Did they melt and recover? Did any of the critters make it an expensive salad?
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Old 05-29-2013, 01:57 AM   #11
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Default Should I be expecting my Downoi to melt?

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Originally Posted by binbin9 View Post
I'm curious as to what has happened with your downoi? Did they melt and recover? Did any of the critters make it an expensive salad?
They made it just fine. I have them in a moss grow out tank in small pots and they are doing awesome.


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Old 05-29-2013, 05:05 AM   #12
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ok good, I just planted some a few days ago and the leaves are not melting but the crowns are separating from the base of the stem. I'm wondering if it isnt a snail or amano shrimp that is causing it.
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Old 05-29-2013, 11:10 AM   #13
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Quote:
Originally Posted by binbin9 View Post
ok good, I just planted some a few days ago and the leaves are not melting but the crowns are separating from the base of the stem. I'm wondering if it isnt a snail or amano shrimp that is causing it.
I keep mine in a 15 gallon with 10 amanos and the downoi is doing just great. They are growing very compact bunches with zero algae and nice neon green color.
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