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Dati-mi o idee
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drdiscus
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PostPosted: Tue Mar 24, 2009 12:21 pm    Post subject: Dati-mi o idee Reply with quote

Am un filtru cu osmoza inversa de la JBL pe care il folosesc la perechile de discusi.Imi scoate apa la duritate 0 si ph-ul undeva la 7.Apoi in apa bag saruri de la Sera si o aduc la gh=4.Problema mea este ca dupa 2 zile 90% din icre se albesc.Acum nu stiu pe ce sa dau vina, pe apa sau pe masculi care nu fecundeaza icrele.
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ADX
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PostPosted: Tue Mar 24, 2009 1:39 pm    Post subject: Reply with quote

Din momentul depunerii si pana in momentul in care incep sa se albeasca icrele, este vreun parametru al apei care isi modifica sensibil valoarea?
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drdiscus
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PostPosted: Tue Mar 24, 2009 2:08 pm    Post subject: Re: salut Reply with quote

Nu.
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Dragosdiscus
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PostPosted: Tue Mar 24, 2009 2:28 pm    Post subject: Reply with quote

Daca se manifesta la mai multe perechi, putin probabil sa fie vina masculilor. Doar daca sunt rude bune si au vreo tara genetica. As merge totusi pe o eroare tehnica..
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drdiscus
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PostPosted: Tue Mar 24, 2009 2:48 pm    Post subject: Re: salut Reply with quote

Si eu tot pe asta merg tocmai de aceea imi bat capul ca nu-mi dau seama ce este.Puii de scalari imi ies dar discusii nu.
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Dragosdiscus
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PostPosted: Tue Mar 24, 2009 3:36 pm    Post subject: Reply with quote

La gH = 4, kH trebuie sa fie neglijabil. Max. 2, ceea ce permite topaieli ale pH. Daca este de aici, ar insemna ca problema sa apara la schimb de apa in intervalul de 2 zile.
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drdiscus
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PostPosted: Tue Mar 24, 2009 3:53 pm    Post subject: Re: salut Reply with quote

Eu ma joc cu ph-ul un pic dar inainte si in bazin separat pana il aduc la 5.Am sa incerc sa nu mai influentez deloc ph-ul.Il las asa cum iese adica 7 si vad ce se intampla.
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Dragosdiscus
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PostPosted: Tue Mar 24, 2009 4:05 pm    Post subject: Reply with quote

Presupun ca-i cobor pH - ul cu turba. As incerca un 6.
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elgreco
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PostPosted: Tue Mar 24, 2009 4:06 pm    Post subject: Re: salut Reply with quote

drdiscus wrote:
Eu ma joc cu ph-ul un pic dar inainte si in bazin separat pana il aduc la 5.

de ce vrei sa ai neaparat ph 5?
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drdiscus
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PostPosted: Tue Mar 24, 2009 4:23 pm    Post subject: buna Reply with quote

Pentru ca la ph 5 eclozeaza de obicei mai multe icre.Eu il scad cu acid sulfuric.Nu sariti, pun foarte putin si in bazin fara pesti pana ajung unde vreau apoi fac schimb de apa la perechi.
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ADX
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PostPosted: Tue Mar 24, 2009 8:01 pm    Post subject: Reply with quote

Exista teorii (vehiculate si pe acest forum) cum ca o bacterie inofensiva pentru pestii maturi, ataca icrele. Incearca o deparazitare cu baktopur direct inainte de depunere conform prospectului, dar si dupa depunere, cu jumatate de doza.
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Last edited by ADX on Sat Mar 28, 2009 11:32 pm; edited 1 time in total
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PomPidu
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PostPosted: Tue Mar 24, 2009 9:52 pm    Post subject: Reply with quote

Si la mine acceasi treaba am 4 perechi la toate se albesc ouale, masculi din surse diferite, ph 6,5 gh=1 si temp 29 nu stiu ce cauza poate fi?
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basarab
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PostPosted: Tue Mar 24, 2009 10:05 pm    Post subject: Reply with quote

Este posibil sa fie si din cauza masculilor daca sunt perechile tinere in general masculi invata mai tarziu ce au de facut ..
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drdiscus
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PostPosted: Wed Mar 25, 2009 1:19 pm    Post subject: Re: salut Reply with quote

Am citit in carti ca spermatozoizii de discusi au la dispozitie doar 2 minute pentru a penetra icra.Dupa acest interval nu mai pot patrunde.Discusii depun in ape linistite.Pentru a-i ajuta pe tampiti, e bine sa oprim filtrul si sa dam aerul incet pentru a nu face curent in apa dar nu avem timp sa-i urmarim cad depun.
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Ancistrus
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PostPosted: Sat Mar 28, 2009 11:21 pm    Post subject: Reply with quote

Eu am tratat apa din robinet (pH=7, gH=6, KH=6) numai cu Aqua Safe ca sa eliminin clorul si dupa depunere cu verde de Malachit pt. a opri/incetini dezvoltarea ciupercii de Saprolegnia pe icrele nefecundate.
Perechea mea este la inceput, de acea am lasat sa faca ce vor cu icrele si puii. Am avut norocul ca la a-3a depunere sa am rezultate. Puii au ramas, au varsta de 2 saptamani si au inceput sa manance si artemia.
Am dovada clara si vizibila ca apa de robinet din Tg. Mures e buna pt. eclozarea icrelor de discusi.
Parerea mea este ca unde icrele se albesc si langa folosirea tehnicii adecvate (osmoza, turba, rasini sintetice ...) acolo pestii sunt de vina.
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