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[APD] Re: Repost about hornwort

As someone else mentioned, temperature might be the problem, salt levels
too. I grow plenty of hornwart in buckets near a window and in my 10 gal
guppy tank without any problems at all. My 10 gal has little to no salt and
a regular 15W tube that came with the tank. Temperature is 76F. I really
doubt lighting is to blame, it wouldn't surprise me if hornwart grew in the
dark ;-)  New growth is usually a lighter green, that's probably the
difference you noticed. Try placing a piece in a bucket with regular tap
water and let it get some light from a window, change the water a couple of
times a week and see how it goes.

Hope that helps
Giancarlo Podio

----- Original Message ----- 
About a month ago, I purchased some hornwort from a petshop.  It was
quite dark green and the "fronds"/leaves were quite stiff projecting out
from the stem.  Previously, I have bought hornwort, but it was soft and
eventually died out. (That was before I got the hair algae under
control).  These new plants have been growing in my 10 gallon, but the
new growth is a lighter green and is not stiff like on what I bought.
Because growth is soft, I fear that eventually it will also eventually
die out.  Why won't it grow in the stiff form?

Here's my set up:

10 gallon with 20 W screw-in compact fluorescent, 6500K; (I corrected
the wattage from my original post!)
DIY yeast CO2;
ammonia = 0
nitrite = 0
nitrate = 15-20 ppm
dKH = 19 (about 340 ppm)
dGH = 21 (aobut 376 ppm)
pH = 7.2
I add 4 drops of Fluorish every 2-3 days (when I started doing it this
way rather than a single larger weekly dose, the hair algae pretty much
disappeared!). Tank is overcrowded with guppies (I need to find a fish
to put in there to eat the babies, that won't harass the adult males'
flowing tails!)

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