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R. Macrandra Help

Discussion in 'Aquatic Plant Fertilization' started by daniel deacu, Mar 10, 2018.

  1. daniel deacu

    daniel deacu Member

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    i use 2 powerhead of 500l/h each and 2 wavemaker pumps. all my plants are moved slow , and my filter pump is positioned from leaft to right , i already lowering my PO4... now i have 3-4ppm. thx...once i get it out the Zn chelate, macrandra have no more greenish spots.. :D
     
  2. daniel deacu

    daniel deacu Member

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    this is from my aquarium... some of my plants. photo from today..

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  3. KeeperOfASilentWorld

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    This technique is very troubling stop doing it immediately. You cannot have CO2 in a 0 KH water.

    These are all very good but they do not tell us anything about how much CO2 you have in your tank. You need to use a more scientific approach when measuring CO2. You are only assuming that you have good CO2, you cannot know for sure without any measurements.

    Measure your tanks KH ( liquid test, use the more sensitive 0.5 KH with every drop of test solution option ) and pH ( using a pH meter not a liquid test ) just before lights on ( 5 minutes before lights on ). Do the same just before lights off ( 5 min before lights off ). Post your test results here. Only then we will know where your CO2 levels are!
     
  4. daniel deacu

    daniel deacu Member

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    "KeeperOfASilentWorld, post: 153233, member: 39162"]This technique is very troubling stop doing it immediately. You cannot have CO2 in a 0 KH wate

    I know many other aquarists who use this method successfully. to me it is successful, the plants grow very well, they are healthy and colorful. I modified the dosage of PO4... I added more PO4, I went with him at 5-6ppm. the fuzzy algae have begun to disappear. thx for tips !!! but i'll go on my technique ...at KH0 , CO2 dissolves much easier, PH remains stable due to buffers such as peat for example ... etc. I do not have big fluctuations at Ph. so...no worries...at KH0 Tonina Fluviatilis, L. Pantanal, E. Setaceum, Tonina Belem, all are fine, grow well and healthy i do use a Ph meter and i do test my KH with 0.5 for better results...]
     
  5. Bishop

    Bishop Member

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    Interesting, I had this same issue in my tank.
    But my plants were also melting.
    [​IMG]

    Never got round to messing with macros as I gave up on it in the end.

    My conclusion after battling with other plants is that everything showed signs of high co2 ( yellow drop checker, gasping fish, some healthy looking leaves ) but the reality was the co2 wasn't getting to the base of the plants and only around the top with less flow as my hardscape was stopping it.

    Glad you got it sorted though, I will have to try this if ever I can get my hands on some more Macrandra.
     
  6. daniel deacu

    daniel deacu Member

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    I think You don't have enough light. Macrandra is a very light demmandig plant. How much light do You have?
     
  7. Bishop

    Bishop Member

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    I thought that was my issue also and upgraded twice. I had 4x 39 w t5 then to 60x3w led hood which was very bright but broke. And now 4 x 54w. Tan k is 120x45x45 cm.
    Everything got better colour wise as I raised the light higher above the tank but was melting also and I gave up.
    Redoing my tank this week so keen to test the various things you have mentioned here too.
     
  8. burr740

    burr740 ~~ Lover of Micros ~~
    Staff Member Moderator

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    Interesting that the non-chelated trace elements fixed the problem.

    That's been my experience as well, plants do better with non-chelated micros (except for Fe obviously)
     
    daniel deacu likes this.
  9. daniel deacu

    daniel deacu Member

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    hello!! again :D / some good news and some bad news :D almost all my plants are doing better then ever, really!!

    so far i have managed to grow around 60 species of plants.(some species I took them out of the aquarium and gave up, they are growing too big and bushy, I had no challenge about them).
    some more pretentious other less. for example. Ludwigia Senegalensis is in the best and most beautiful form. L. Pantanal is a bush, Macrandra Green, grows like crazy this is so good :D . but. is always a but. i have some Lobelia Cardinalis mini... in the last days it took a bad shape, all leaves are distorted and no good shape and almost in the same situation is Macrandra. her leaves are a litlle cupped down... all my water parameters are ok. look just fine, i keep the same fertilizer recipe... same light, only temperature is higher with 2 degrees C. problem is in the last photo.i added more Ca and Mg. now i have Mg around 25ppm and Ca= 60-65ppm. it may be a micro toxicity? of what element?!?!

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    Greggz likes this.
  10. burr740

    burr740 ~~ Lover of Micros ~~
    Staff Member Moderator

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    Dont think it's anything to do with micro-tox.

    That's an awful lot of Ca and Mg. Are you adding that much on purpose or is that what's in your source water?

    Rather than thinking in terms of toxicity or even deficiency, consider nutrient interactions.

    Most nutrients have an affect on certain others. Sometimes two nutrients will "help" each other but most of the time its an antagonistic relationship. Such as competing for uptake by the plants, or one affecting the transport mechanism of the other. This all happens within the plant.

    Google Mulder's Chart of nutrient interactions. Here's one, you can find many articles explaining it further

    mulders-chart-e1465939603653.jpg

    The point is, extreme levels of anything can have negative affect on something else
     
    a1matt and Aaron Chen like this.
  11. daniel deacu

    daniel deacu Member

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    i added for a few days. I thought there was an interaction because of too much nitrogen.so... excess nitrogen has induced a lack of magnesium and calcium. I added more calcium and magnesium trying to fix it. although i have made some WC of over 30% water these days ...still the same ... my tap has Mg 10-15ppm and aprox. 30-40ppm Ca.(result from testing the water with JBL test kits) my tap had a GH of 7-8 and a KH of 6. pff.... even today i added more Ca and Mg... so bad... thx a lot!!! so... is too much of them in the end...
     
  12. daniel deacu

    daniel deacu Member

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    so...if i understood right that diagram from bove... to much Nitrogen stimulates Magnesium consumption? so more N need more Mg?
     
  13. daniel deacu

    daniel deacu Member

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    and ... too much Ca block Mg absorbtion? right? pff... i've made the wrong move...
     
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