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Gabriel
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 09/09/2013 13:04:19
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#21
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Gabriel
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In conditii normale apa ce iese din membrana trebuie sa aiba intre 2 si 6 ppm.
La 38ppm ar trebui ca apa care-ti intra in membrana sa aiba 950-1000ppm lucru imposibil [rata de rejectie nominala a unei membrane este de 96%].
Eu sunt de parere ca membrana este dusa. Poti incerca sa schimbi prefiltrele dar nu cred ca tds-ul va scadea substantial.
Cu ce ai masurat cei 38ppm?
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reefer
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 09/09/2013 15:58:26
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#22
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reefer
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Gabriel wrote:
Cu ce ai masurat cei 38ppm?
cu TDS meter-ul . Ai dubii vizavi de aceste device-uri ? Voi cu ce le masurati ?
Zilele astea dau comanda de membrana .
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Gabriel
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 09/09/2013 19:11:33
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#23
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Gabriel
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Nu am dubii asupra TDS metrelor dar trebuie calibrate din cand in cand [mai rar sau mai des - functie de producator].
Intrebam cu ce ai masurat pentru ca mi se pare o valoare mare la iesirea din membrana.
Nu cunosc in amanunt procesul dar ma gandesc ca ar trebui ca in timp membrana sa se colmateze rata de rejectie
ramanand cam aceeasi. Nu sunt absolut sigur ca asa ar trebui sa se intample sau, dimpotriva, ar trebui ca apa da aiba
un tds mare ca la tine.
Poti masura si tds-ul apei din retea? Sau aparatul e fix [montat pe furtunul de la iesirea din membrana]. Doar de curiozitate.
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viulian
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 09/09/2013 19:26:42
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#24
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viulian
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La mine e 58 uS/cm appros 37.7 ppm (asta cand Dennerle-ul 130 era nou - acuma, cine o sti  ).
Important este de vazut ce kH si gH ai, caci membrana minuni nu face  am postat intr-un post de-al meu o info din brosura Dennerle:
Daca la robinet ai 33 gH -> produce gH de 1.6
Daca la robinet ai 16 gH -> produce gH de 0.8
10 gH -> 0.5 gH
Plus, aparatul de masurat are o abatere si el pe o plaja foarte mare (2% din 2000 de uS/cm inseamna 40uS - cel putin asa e la al meu, deci tehnic un TDS masurat de 58uS/cm poate insemna la fel de bine si 17 uS/cm).
Eu zic sa masori si apa distilata sa vezi cat da ..
This message was edited 1 time. Last update was at 09/09/2013 19:27:04
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Acv. 30L, Acv. 10L, Acv. 16L, Reef 30L, Acv. 0.09L; In trecut: Acv. 25L, Acv. 8L
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reefer
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 10/09/2013 23:58:02
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#25
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reefer
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Apa distilata n-am la indemana acum..
In schimb am masurat apa de la retea : 710 ppm
Concluzia : schimb membrana , sau o mai las ? cert este ca parametrii apei imi sunt ok ...cel putin ..cei masurabili...
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viulian
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 11/09/2013 08:14:07
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#26
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viulian
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La mine la robinet este 642 uS/cm (deci hai sa zic aproape 400ppm). Cred ca daca instalatia ar avea multe etaje (a mea are doar minimul necesar, 3, nu 5) as putea avea rezultate mai bune, dar deocamdata, nu ma deranjeaza ..
Asa ca n-as schimba membrana imediat - poate daca TDS-ul la iesire ar ar incepe sa creasca mult fata de cat era cand membrana era noua.
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melcu
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 23/10/2014 08:55:47
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#27
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melcu
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Salutare,
Revin si eu cu o intrebare !
La robinet apa are 175 ppm iar la iesirea din instalatie are @ 25ppm.
Este ok sa incep ciclarea unui acvariu cu apa de osmoza care are 25 ppm ?
Mai bine pun o intrebare decat sa dau de altel later.
Multumesc.
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lucianvlad
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 24/10/2014 08:08:40
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#28
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lucianvlad
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Ideal este pana in 5, ok este pana in 10. Cand trec de valoarea asta schimb rasina.
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florian.n
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 09:35:23
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#29
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florian.n
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Salut,
am de la Andy (eleven) un TDS Metru care presupn ca trebuie recalibrat. Modelul este acesta http://www.ganodermashop.ro/tds-metru.html
stiti cumva cum se calibreaza corect si cu ce ?
Mulmumesc,
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CreatoR
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 10:37:10
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#30
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CreatoR
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Nu stiu cum se calibreaza un TDS metru.. iar legat de valoarea apei de osmoza stiam ca pana in 20-25 e ok, si apoi trebuie schimbat rasina.
Eu am 2-3, 25 mi se pare oricum enorm de mult. Iar la apa de robinet sa ai doar 175ppm e super desi sunt un pic suspicios. Incearca sa folosesti un alt TDS metru sa vezi daca ai aceleasi valori, iar daca da sa sa iti schimb de urgenta rasina si poate iti pui si un NPS.
This message was edited 1 time. Last update was at 17/04/2015 10:41:28
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darthradu
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 11:20:15
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#31
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darthradu
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Se calibreaza cu o surubelnita ingusta, are un surubel pe spate. Iti trebuie o apa cu TDS 0, daca vrei sa-l calibrezi la 0  Poti incerca la farmacie, ar trebui sa aiba apa "pura".
Bagi TDS-ul in apa, il agiti putin, vezi ce valoare afiseaza, daca-ti afiseaza in apa aia de la farmacie 0, invarti de surubel pana iti afiseaza 1 si dupa aceea invarti usor inapoi pana ajunge la 0.
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florian.n
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 11:22:01
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#32
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florian.n
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multumesc pt sfat,
apa aia "pura" mai are si alta denumire ?
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darthradu
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 11:59:16
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#33
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darthradu
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Apa distilata
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kirucd
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 12:00:34
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#34
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kirucd
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Apa distilata - standard de laborator.
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http://www.acvariu.ro/forum/posts/list/24422.page
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http://www.acvariu.ro/forum/posts/list/17511.page
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http://www.acvariu.ro/forum/posts/list/15524.page
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Hermit
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 14:06:29
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#35
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Hermit
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Am vazut pe shop.acvariu osmozoare...O intrebare de noob, amator, si etc...osmozoarele cu pricina se folosesc doar pentru acvarii sau si pentru hidratarea noastra cea de toate zilele/noptile? de ce intreb...is unii care zic ca orice filtru de apa sub 1000 lei e o -citez- "chinezarie scumpa si fara rezultate vizibile"
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Blue14
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 14:29:03
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#36
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Blue14
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Eu am masurat cu tds-ul bunicului meu care e calibrat de firama care i-a montat filtrul si am 3, bineanteles ca nu am mai mult de 500 litri facuti...
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darthradu
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 14:32:59
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#37
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darthradu
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De pe shop acvariu am si eu osmozor chinezesc + rasina. E ok.
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Blue14
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#38
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Blue14
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Bine, si eu am osmozor ieftin, Aquili cu nps.
Pana la urma ce faci cu bazinul?
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ionut_dt
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 15:10:54
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#39
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ionut_dt
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Disciponel wrote: Am vazut pe shop.acvariu osmozoare...O intrebare de noob, amator, si etc...osmozoarele cu pricina se folosesc doar pentru acvarii sau si pentru hidratarea noastra cea de toate zilele/noptile? de ce intreb...is unii care zic ca orice filtru de apa sub 1000 lei e o -citez- "chinezarie scumpa si fara rezultate vizibile"
Aceiasi dilema o aveam si eu acum cativa ani. Raspunsul este simplu: la finalul instalatiei de osmoza faci un ''T'' sau ''Y''  unde montezi un filtru de reminelarizare.
Nu vreau sa vorbesc aiurea, dar sunt convins ca apa noastra de osmoza este mult mai calitativa fata de unele firme care comercializeaza ''apa de consum;;
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kirucd
![[Post New]](/forum/templates/default/images/icon_minipost_new.gif) 17/04/2015 21:17:17
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#40
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kirucd
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Nu sint deloc chinezarii, membranele de osmoza sint americane. Si sint foarte ok.
Pentru consum uman ai nvoie de inca un filtru de remineralizare, apa de osmoza nu este
indicata pentru consumul uman.
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Filtre biologice
http://www.acvariu.ro/forum/posts/list/24422.page
Reef 500+
http://www.acvariu.ro/forum/posts/list/17511.page
Scubaline 460 - Discusi
http://www.acvariu.ro/forum/posts/list/15524.page
Bean animal overflow
http://www.acvariu.ro/forum/posts/list/20369.page |
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