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Why do plants go brown?


sub.z

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Why do plants go brown? There not dying ang they have new growth they just go brown. What causes this?

Its a coldwater tank it thats any help and the light is on at least a few hours a day

Any suggestions would be good

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I presume there cold water plants as they were under the cold water fish

They are coated in algae but only older bits, the fresh growth is fine

It looks almost like i could wipe it off but was just wondering the cause

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Caryl, I'm sure this has been asked a zillion times but...

What's the average time it takes for a tank to mature?

Are we talking 6 months or so?

(I'm getting impatient with my brown algae. It really slows down the plant growth especially when the lighting is marginal to begin with! Grrr!)

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Yep. Definitely understood cycled was not the same as mature :)

I'm taking mature to mean well and truly settled into a happy/balanced little ecosystem. 6 months sounds good though... thanks.

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Because most plants you buy have been grown emersed they go through a rest period while converting to submersed growth and this is ideal conditions for algae to take hold. You will be able to keep the new growth and throw out the old (with the algae) when established.

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