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Aquarium, Filter, Management Air, Lighting Diskusi masalah tentang aquarium, filter, management air, dekorasi, lighting, untuk Arowana

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Old 04-26-2006, 11:33 AM   #1
wijaya (162)
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Default Benarkah aerasi bisa menyebabka ph naik?

Mau tanya sama pakar2 nih, kemarin saya telfon Pak Sebastian (yg jualan Eheim), awalnya nanya ehfitorf, terus sempet ngobrol bentar ttg filter. Saya tanya, kalo pake eheim air di aqua saya naik dari 7,2 jadi 8. Kenapa? Terus beliau bilang tanya balik, bpk pake aerasi (gelembung udara) gak? Saya bilang iya...... Beliau bilang lagi itu mungkin penyebabnya. Nah, sebenarnya apa ya hubungannya aerasi dengan naiknya ph? Bener gak sih bahwa aerasi bisa naikin ph kalo kita pake filter canister khususnya eheim? Dan bukannya aerasi itu penting/perlu buat aro? Saya jadi mikir, mungkin karena hal ini jadi di aquarium2 nya pak kumendan gak ada yg pake aerasi.
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Old 04-26-2006, 11:41 AM   #2
Owen.S (1664)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Menurut beberapa pakar memang aerasi bisa menaikan PH air. Ada yg bilang karena batu aeratornya yg bikin naik PH nya. Hal serupa terjadi dengan saya juga, saya pake filter canister Eheim dan aq nya di aerasi. PH melonjak ke level 8. Tetapi setelah beberapa minggu, PH berangsur turun ke level 7, bahkan 6,5. Sebagai kesimpulan, kematangan filter yg memegang peranan utama level PH. Kalo filter sudah matang, maka PH akan turun dengan sendirinya, jadi bukan karena aerator. Ditempat komandan ada juga aq nya yg pake aerator, dan warna ikan dan PH juga sama aja. Semoga informasi ini bisa membantu. Input dari para senior juga ditunggu.
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Old 04-26-2006, 11:46 AM   #3
hengky (2812)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

gw ingat waktu Siminar NAC, ibu Hsiao Chun (sry kl namanya slh spell)...ktnya terlalu byk oxygen jg ga bgs utk kulitnya aro. krn dirmh gw pakenya filter samping, gw celupin aerasi (gelembung udara) di dlm kotak filter (yg bagian air sblm kesedot ke dlm aq)
sry kl posting ini agak ga nyambung dr pertanya bro wijaya.
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Old 04-26-2006, 12:07 PM   #4
Wang_sen (948)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Coba search di Google
Ada hubungan antara CO2 dgn pH air
Dari yg gw baca, kandungan CO2 dalam air berbanding terbalik dengan pH air, jadi kalo kadar CO2 tinggi maka pH akan rendah
Aerasi menyebabkan kadar CO2 dalam air berkurang dan menyebabkan pH naik
Keseimbangan CO2 dlm air hrs dijaga, karena kalo kekurangan kadar CO2 dalam air akan meningkatkan resiko keracunan Amonia bila ternyata filter kita belum matang atau tidak berfungsi dengan baik

Ini artikel yg saya kutip dari Googling tentang pengepakan ikan dalam kantong plastik untuk pengiriman, ada disinggung tentang korelasi pH, CO2 dan amonia dalam air, saya rasa berlaku juga untuk kondisi di akuarium :

Basis for procedure:
The most common method of packing aquatic animals for shipment via air freight is to place the animals in a bag which has about 1/3 water and 2/3 either air or pure oxygen. When air is used, it is possible to create low oxygen conditions and stress the animals as the metabolism of the animals consumes the oxygen. The use of pure oxygen increases the total amount of oxygen available by a factor of 5. But, more importantly, the use of pure oxygen increases the mass transfer capacity from the gas to the liquid by a factor of almost 10. This allows the oxygen in the bag to get into the water fast enough to handle the metabolism of high density aquatic animals.
As part of the animals metabolism, waste products are produced. In particular (assuming the animals are not fed during shipping), ammonia and CO2 are produced. The toxicity of ammonia is primarily from the unionized form of ammonia in the water which intern is a function of the pH. The lower the pH, the less toxic the ammonia. With pH being a log scale, the difference between a pH of 7.5 and 6.5 is almost a factor of 10 in toxicity.
With normal metabolism producing more CO2 that ammonia, we have a situation where the CO2 being produced by the animals will reduce the pH (through the carbonate system) in a closed bag. With most reasonable alkalinities on the shipping water, the pH will decrease fast enough in a shipping bag to prevent any ammonia toxicity from occurring while the animals are in the bag. If animals have been in the shipment bag and the ammonia has built-up in concentration, opening the bag and allowing the CO2 to leave the water can result in ammonia toxicity and animal stress, tissue damage, disease and death. This can all be calculated given the carbonate chemistry K values, the ionization constant for ammonia, alkalinity and other water chemistry variables along with the CO2 and ammonia generation rates for the animals at the temperature in question.
This means that the animals will not die in the bag from ammonia toxicity or lack of oxygen, it is usually free CO2 toxicity, which can be expressed as partial pressure of CO2. This also means that the details of how the fish are unpacked is critical to their health and survival.
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Old 04-26-2006, 01:40 PM   #5
wijaya (162)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Wah, thanks nih bro otjong dan bro wang sen.....
Jadi kesimpulannya, o2 itu penting dan jumlahnya pada level tertentu bisa mengakibatkan ph naik yah......Rumit juga yah mau bikin ph turun aja....hehe.....Tapi ini seninya piara aro kan....
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Old 04-26-2006, 02:18 PM   #6
nin0 (212)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Jadi, berapa ppm kira-kira kandungan O2 dalam aro tank yg ideal ya?
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Old 04-26-2006, 03:44 PM   #7
artdisc (690)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

nice info bro wangseng gue baru engeh ini tuch penjelasannya,hati juga kalo kebanya O2 terlarut juga insang bisa terbuka (koreksi kalo ane salah)
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Old 04-26-2006, 03:47 PM   #8
Wang_sen (948)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Quote:
Originally Posted by artdisc
nice info bro wangseng gue baru engeh ini tuch penjelasannya,hati juga kalo kebanya O2 terlarut juga insang bisa terbuka (koreksi kalo ane salah)
Bukannya justru kebalikannya? Kebanyakan CO2 terlarut yg menyebabkan insang terlipat (kerja insang untuk menyerap O2 jd lebih berat)
Tolonk konfirmasi para senior
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Old 04-26-2006, 04:19 PM   #9
artdisc (690)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

yoi yg bener yang mana hehehe maklum baca dibuku
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Old 04-26-2006, 05:58 PM   #10
dony (8383)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

pencerahan yang sangat bermanfaat bro wangsen ..
btw, mungkin nggak kandungan CO2 di pH 6 lebih rendah dibanding kandungan CO2 di pH 8 ?
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Old 04-27-2006, 07:55 AM   #11
DYO (2640)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Kutipannya ... menarik bos wangsen ...
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Old 04-27-2006, 12:46 PM   #12
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Quote:
Originally Posted by arasta
pencerahan yang sangat bermanfaat bro wangsen ..
btw, mungkin nggak kandungan CO2 di pH 6 lebih rendah dibanding kandungan CO2 di pH 8 ?
Kalo itu sy kurang jelas, mungkin bisa aja
Karena ada banyak faktor yg mempengaruhi pH air kan, bukan cm CO2
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Old 04-27-2006, 01:23 PM   #13
dony (8383)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Quote:
Originally Posted by Wang_sen
Kalo itu sy kurang jelas, mungkin bisa aja
Karena ada banyak faktor yg mempengaruhi pH air kan, bukan cm CO2
deal .. gue stuju sen ..
soale banyak case memang pertama kali di aerasi pH air akan naik sementara tapi lama-lama bisa stabil turun (ini mungkin lebih disebabkan faktor2 dan unsur2 lain).
nice info
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Old 04-27-2006, 01:28 PM   #14
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

Quote:
Originally Posted by arasta
deal .. gue stuju sen ..
soale banyak case memang pertama kali di aerasi pH air akan naik sementara tapi lama-lama bisa stabil turun (ini mungkin lebih disebabkan faktor2 dan unsur2 lain).
nice info
Emang lebih enak pake air murni, gampang ngaturnya.

Contohnya: Pake air AC

Btw, gue kasusnya beda lagi. Dikasih garam ikan malah turun pH-nya. Setau saya seharusnya naik kan?
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Old 04-27-2006, 01:40 PM   #15
dony (8383)
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Default Re: Benarkah aerasi bisa menyebabka ph naik?

bro, elu bener2 pake air AC ? (confirmation) !
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