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Re: [APD] RE: Rift lake refugium- Tom Barr

We grow Peace Lilies in fairly low light.  (under Ficus and other tall
tropicals in a 55% shade cloth covered greenhouse)  Root rot isn't
caused by insufficient light.  It's caused by insufficient oxygenation
of the roots.  Anaerobic conditions develop and the roots rot.  I've
seen this happen to Peace Lilies fairly rapidly.  Even in betta bowls
when the roots are just suspended in water, they rot rapidly because
there is no oxygenation.  Instead of gravel, I would use something
more porous as a media, IE lava rock or porous ceramic balls.  Also,
what is the temperature?  Cool temps will contribute to root rot.

Nick Ternes
Port Washington, WI

On 5/18/05, Jerry Smith <jerrytheplater at hotmail_com> wrote:
> Tom
> You helped me out about a year ago as I was setting up a tank in my bosses
> office for African Cichlids. I set up a 75 gal with a refugium in the
> stand(20L&10 gal plastic tank in series), 55w PC for lighting, Duckweed,
> Hygro, and Crypts for plants. I also made two boxes out of Polypropylene and
> PVC to act as hydroponic cells for Peace Lilies. One is your plastic tube
> design and the other is a box filled with constantly flooded gravel media
> with the tank water circulating through it. Twice now the Peace lilies have
> died in these tanks. The roots rot. I relied on the office room lighting
> because you said these plants would grow as long as you could read. This
> still seems correct to me as these plants are found in Malls, Betta bowls
> and other low light areas. Do you have any comments as to why the plants
> die?
> Thinking the death of the plants was due to insufficient light(in spite of
> what I just said above), I ordered a 48 inch 4x55w bright kit from AH
> Supply. It should arrive Thursday. I plan to suspend it above the plant
> stand from the ceiling. I spoke to our electrician today and he is going to
> wire me an outlet to plug in the timer. If the Peace lilies die again I plan
> to purchase a 110 gallon tank to replace the plant stand and plumb it in
> with the Mbuna tank. The 48 inch Bright kit will then be used for this tank.
> I would plant the 110 with Crypts and only use various Tanganykians as I am
> doing in my home and office.
> Thanks
> Jerry Smith
> Bloomingdale, NJ

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