What is the hardest plant you have ever grown or attempted to grow? - Page 3 - The Planted Tank Forum
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post #31 of 41 (permalink) Old 12-13-2012, 06:33 PM
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rotala sp 'Vietnam'

seems to HATE every tank i put it in. even when being grown alongside R. macrandra, L. pantanal and other PITA species.
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post #32 of 41 (permalink) Old 12-14-2012, 02:41 AM
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Originally Posted by Sethjohnson30 View Post
+2 on rotala macrandra. I've bought it from 3 different people on tpt. It is the only plant that never looks healthy when I get it. It never grows whatsoever. It has always just seemed to disappear. I have grown lots of other "hard to grow plants with little to no issues. What's the deal with this stuff. I've put it in multiple tanks, multiple different situations with no luck.

What's the trick? I have a feeling Tom knows
It took mine a good nine months to get going and now its REALLY looking good. Its growing like crazy and im not sure what ive done differntly. Hopefully will be able to start selling some of it soon to make up what i paid for it- most expensive plant ive purchased.
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post #33 of 41 (permalink) Old 12-14-2012, 07:54 AM
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Anubia Barteri- its just died

Yesterday is History, Tomorrow is Mystery, Today is a GIFT (the present)Cheers

Garothmaan = heaven
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post #34 of 41 (permalink) Old 12-14-2012, 08:08 AM
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A few plants I am having trouble thriving Ludwigia pantanal, Macandra sp."variegated", Proserpinaca palustris. They grow then all sudden just stop. They grow new side shoots then stop.
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post #35 of 41 (permalink) Old 12-14-2012, 04:50 PM
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Let me pose a question to you all.

There are 2 main commonalities with the species listed.
CO2 mostly, but also KH, most of the species tend to like lower KH's.

I've ruled out high ferts as a possible cause(EI), sediment, 100% ruled out(ADA AS) and light(plenty of that via a light PAR meter), filtration(high grade current and wet/dry filtration, high O2 levels), good current, good general care.

This leave smostly KH and CO2.

The KH where I live is excellent but does vary, from about 15-20ppm to maybe mid to high 30'sppm.

This is very good soft low KH water.
So that leaves mostly just one parameter.
CO2.

Lower temps= easier to get non limiting CO2.
Less light= easier to get non limiting CO2.
Wet/dry filter(set up right)= easier to get non limiting CO2.
Good care, observations and water changes etc etc.


What are the odds that all 400 or so plant species all have the same non limiting ppm of CO2?

Do you think that UG and Downoi are the same as far as CO2 as say Hygrohila difformis? One might need 50 ppm for a given high light value, whereas the other may be only 15 ppm.

One of the goals many have is to be able to grow any species. But even there, scaping with them is still another level of horticulture that is increasing difficult. Many can farm and grow, but cannot scape effectively with many species.

I would suggest trying both.

They can both lead to the same goal(more plants, and also nice looking scape).

Regards,
Tom Barr
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post #36 of 41 (permalink) Old 12-14-2012, 05:50 PM
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Originally Posted by stevenjohn21 View Post
Dwarf hairgrass ! I just can't get that stuff to grow upright , it just bends down and looks terrible instead of growing upright like a lawn !


Same for me.
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post #37 of 41 (permalink) Old 12-14-2012, 08:51 PM
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I've slaughtered a number of plants but rotala macandra went the fastest.

RAOK Club #76

220g altum, 75g high tech, 6g shrimp: one office, three tanks http://www.plantedtank.net/forums/sh...d.php?t=183658
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post #38 of 41 (permalink) Old 12-15-2012, 12:12 AM
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What's the safest easiest way to soften water without using a RO unit.
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post #39 of 41 (permalink) Old 12-15-2012, 05:13 AM
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the only plant i couldn't grow well was java fern. it spread like mad, sprouted new leaves everywhere, but would NOT do what i wanted...

the second hardest i dont know the name for. i collected it from somwhere in the lumber river drainage system in north carolina.

its the moss like stuff in the center:
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post #40 of 41 (permalink) Old 12-15-2012, 05:19 AM
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Quote:
Originally Posted by HD Blazingwolf View Post
star repens... and rotala macranda. they just no likey my tank everything else grows great
Quote:
Originally Posted by Sethjohnson30 View Post
+2 on rotala macrandra. I've bought it from 3 different people on tpt. It is the only plant that never looks healthy when I get it. It never grows whatsoever. It has always just seemed to disappear. I have grown lots of other "hard to grow plants with little to no issues. What's the deal with this stuff. I've put it in multiple tanks, multiple different situations with no luck.

What's the trick? I have a feeling Tom knows
I'm so glad I'm not the only one that has a hard time with this plant. I have planted it several times and within a couple of weeks it melts away to nothing.
Quote:
Originally Posted by OVT View Post
Maybe you should try mine
You definitely have some nice macrandra OVT. The nicest looking out of all the times I have bought it but I still found a way to kill it. That plant just doesn't like me or my tank. Maybe some day I will try my nemesis again.

All matter is merely energy condensed to a slow vibration, we are all one consciousness experiencing itself subjectively, there is no such thing as death life is only a dream which is an imagination of ourselves. Bill Hicks
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ua hua's 90 gal. high tech
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post #41 of 41 (permalink) Old 06-05-2013, 10:45 PM
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pogostemon deccanensis, and pogostemon helferi downoi

and strangely nesaea golden
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