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Thread: Can't Grow Moss

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    Default Can't Grow Moss

    Hi there,

    I've never been able to keep any moss healthy in my tanks.
    They always turn brown and die.

    I have had problems with the other plants but realised it was because they were getting too much light.

    My lights were not on a timer and I was leaving them on about 10hrs a day.

    So I got myself some timers and stuck them on 6hrs on a day.
    Since then everything has improved. Less algae, new green growth, except the Java moss I have left.

    It has perked up a bit, there is some green growth, but it still doesn't look happy by the rate of recovery.
    I have all kinds of stuff in the tanks doing great, Crypts, Swords, Grasses and stuff.

    I thought moss was supposed to be easy to grow?

    Any suggestions why it seems to be doing worse than everything else? The rest will need trimming soon, the 4hrs really made a lot of difference!

    The tanks are very low tech, 2 70ls are the main ones with 1 included t5 each, no CO2, dosing with fert as per instructions.
    My water is RO treated and quality on tests seems fine. Temps around 20c atm.

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    Shrimpy Lover hyoushoku's Avatar
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    If your moss is not growing for more than a week, it will absorb all the crap in the water like a filter. Take your moss out and brush it will a medium-hardness brush under running water. If your moss cannot be taken out, brush it in the tank and after that perform 40% water change every other day for 2 cycles.

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    Thanks for the advice,

    So do you think I should remove all the brown bits as well when I clean it and hope the green bits will recover, yes there probably is a lot of crap on it because I've been leaving the dead/brown bits to try and recover. I will have to lose about 90% of the stuff.
    Maybe I can try to be gentle and move the brown bits to a container.

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    If your tank's parameters are still not stable for the moss, I will strongly suggest you not to cut anything.

    Clean them first and give them a week time (moss is slow in response, unless you have high light and high ferts). If can see the vein of the moss starts to turn from brown to yellow or green, then it means it is recovering. The brown moss usually can recover back but if it has too much dirty to be cleaned or it is melting, then cut it only after you have made the water condition right.

    If you are impatient, like I mentioned moss is very slow, it will be more rewarding to just change them after you fixed the water parameters.

    Nearly forgot something. Moss requires plenty of Potassium, slightly more Phosphorus and lesser Nitrogen than most plants. Thus if other plants are doing well, it does not mean there is enough Potassium and Phosphorus. Lastly, moss needs more red lights than blue lights (but still requires some blue lights).

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    Thanks for all the good info, I'll continue being patient, I'll try your suggestions and hope it can get established this time.
    Might take a look for some macro nutrients as well, see if that helps.

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    Good luck, mate!!

    Let us know if they recover.

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    Can you tell which lamp is best for growing moss Arcadia or Sylvania?



    Sent from iPhone using Tapatalk

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    Quote Originally Posted by iglica View Post
    Can you tell which lamp is best for growing moss Arcadia or Sylvania?

    Sent from iPhone using Tapatalk
    Should be fine for both. However for moss, you need more red lights than blue light.

    If you are able to get something to cover all ranges, it should be fine but do make sure not too bright.

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    Thank you, i found arcadia with more red light



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    Great!!

    But do note some tube that has more red are meant for supplementary to the main light. Thus, do inspect the spectrum carefully. Or else, you will have a lot of red light and minimal blue light.

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