How do you pick fresh prawns

Walnut leaf harvest ...

  • Hello,

    I would have liked to know if you can harvest the walnut leaves from the trees as soon as the trees have been driven out, so early in the spring? - or whether you do this in autumn when the leaves are already "ripe"?
    Are they dried afterwards and then scalded with warm water before they are poured into the basin ?!
    THANKS !!
  • I would like to expand the question to include more general information.
    what about alder, beech, apple, cherry ect. can you harvest them now and also feed them?
  • The day before yesterday I offered fresh, semi-grown walnut leaves from our tree for the first time this year. The shrimp didn't like it; only the snails have attacked.

    By the way, it should be best to pluck the walnut leaves in full green on a sunny day in August and dry them ...

    I haven't tried the other leaves when I was young.
  • I harvest the walnut leaves as soon as they are nice and green! this is mostly the case between mid-June and August! Although in August the leaves are usually already perforated by some cattle and they have laid their eggs on them! Better rather!
    Then the leaves come in hot water for a few minutes and are then dried / pressed and cut into pieces that are suitable for basins! Finished!
  • Hello,
    As far as I know and have read elsewhere, anything that comes from trees must first be completely dried before entering the aquarium. Some leaves appear to contain harmful substances when fresh, and furthermore they decompose too quickly when fresh and unnecessarily pollute the water. Other opinions?
  • Here me,
    I also put fresh leaves in the basin, nothing has ever happened there.
    But I only feed walnuts and nettles.
    I also dry the walnut leaves green, which is what my prawns and snails like best.

    LG Steffi
  • Yes,
    I also make fresh nettles and walnuts.
    Whereby I always wait for the walnut leaves until they have their full size, they then migrate fresh into the pool.

    Edit: please adjust the size of the leaf to the aquarium and the population!
  • Hi Momoline,

    that's a good practice report. Then that seems to work with walnut. I had read elsewhere that these leaves should only be used dry because of the essential oils. I always take them off as green leaves in full sun and always dry them completely first ... But if there is another way, that's nice. Do you have experience with the rate of decomposition, namely that fresh leaves rot faster and possibly pollute the water more than dried leaves?
  • Green leaves also contain toxic substances, so don't overdo it.

  • Here me,
    because I like fresh leaves (stinging nettle and dandelion leaves are also leaves ) give really little in the pool, it doesn't even come to that what is bogus.
    My tigers don't like dandelions, for example, and I have had 1 small leaf (7cm approximately) in the 20L cube for 1.5 weeks. It is still green and nothing rotten.

    Nettle, for example, is always gone quickly because not only the prawns like it but also the snails.
    I collect walnuts just like you do and dry them in the air. When I give them fresh, I only take 1 fragment (finger points?) From the leaf per basin.
    For the small ones (<30L), half of them will be gone in 3 days. I brew the walnut leaves briefly, and I only wash off the stinging nettle and dandelion.

    I've been doing this since I've been keeping prawns like this (about 7 years old) and nothing has ever happened.
    At first I fed cucumber and zuccini from the garden, I don't do that anymore because it spoils really quickly.
    I still give pumpkin now and then (when I cook soup ) it's fresh and not scalded.

    If the green foliage really contains "toxic substances", the small amount I give the dilution is so great that it doesn't matter. Especially since in nature leaves constantly fall into the streams, whether green, wilted, sick or brown ... are allowed the prawns have to be adapted there.

    Greetings Steffi
  • Hello,

    since I am a forester, a small objection from me.

    I only feed leaves when they are dry.
    The fresh leaves contain too many substances that can pollute the water!
    e.g. grape sugar and chlorophyll.

    The latter contains a large amount of nitrogen!
    These are released when they decompose, which could possibly cause problems in poorly ventilated AQs.

    quick question for my understanding:
    Does anyone know if the methyl groups in chlorophyll can stimulate bacterial growth?

    To the walnut leaf. The walnut leaf has a large amount of humic acids and tannins.
    And slightly good substances.
    Because a walnut tree defends itself with its decomposing foliage from any competitive vegetation.
    This means that the foliage of the tree which decomposes on the ground makes the ground unacceptable and unusable for other plants.
    Normally nothing grows anymore!

    That would give me something to think about


    P.S. I still feed walnuts. But I use it dried, from the pharmacy and with caution

    Christian & Claudia
    Unfortunately, far too little time
  • C&C wrote:

    quick question for my understanding:
    Does anyone know if the methyl groups in chlorophyll can stimulate bacterial growth?

    You mean the CH3 group in chlorophyll? As far as I know, no, because both the methionine deposited there and the amino acid built up as a result have a bactericidal effect due to the strong acidification of the environment.
  • Hi,
    I find humic acids and tannins not bad at all,
    I don't add anything else to my water by treating it with peat

    As far as the toxic substances are concerned, I think this is just the amount that makes the "poison"
    and to what extent these toxins are water-soluble at all.
    With the tiny amounts the shrimp eat, at least my shrimp doesn't mind.

    When I first got leaves from Sulawesi, I hardly dared to put it in the water!