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Old 28-05-2014, 10:18 AM   #161
Qian Hu

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Quote:
Originally Posted by Aro2626 View Post
Hi QH,
Is hydra 30 for 2.5ft x 1.5ft x 1ft tank sufficient?
Do I need to add other external filtration?
Keeping only single aro about 6inch.

When I move to 5ft tank. Can the hydra 30 sufficient to support also?

Please reply.
Hi bro,

Hydra 30 is sufficient with your current tank size but not to forget that you might need another filter to act as a mechanical filter as Hydra 30 alone might not be able to support and you might need to clean and wash the filter sponge frequently. However, if you upgrade to a bigger tank, I will advice that you might want to consider to change to a higher capacity hydra to maintain the efficiency. Thanks.
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Old 28-05-2014, 10:20 AM   #162
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Quote:
Originally Posted by cool79 View Post
can hydra40 support 5 feet tank? or even 6 feet?
Hi bro,

I will suggest that you might want to consider to use Hydra 50 for 5ft tank but Hydra stream for 6ft and above depending on your bioload situation, thanks.
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Old 28-05-2014, 10:45 AM   #163
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Quote:
Originally Posted by kelvinlowky73 View Post
Hi, I need expert to advise me. As i just bought the Hydra 30 and installed yesterday. Somehow I could not see the air bubble appeared inside the tank. But I could feel the air wave blowing when place hand nearest to the unit. Is there something wrong with the setup?
Hi bro,

In order to have bubbles coming out from Hydra Filter, it need to be place just under the water level, thanks.
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Old 28-05-2014, 10:46 AM   #164
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Quote:
Originally Posted by beachboii View Post
i am trying to replace the hydra 30 catapure cartridge. May i know where can i get a replacement as i had been using mine for 1year.
Hi bro,

You may want to consider getting it in our farm retail shop if you are not able to get it in most of the local fish shop, thanks.
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Old 29-05-2014, 03:55 AM   #165
Aro2626
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In my country, i only able to buy hydra 30. So while waiting for your reply. I oledi bought one hydra 30 for testing. The flow is too strong for 2.5ft tank. Perhaps 3ft is better.

Hydra supporter
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Old 29-05-2014, 01:25 PM   #166
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it works perfectly fine with bubbles after follow your advice. many thanks
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Old 29-05-2014, 03:06 PM   #167
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I saw the cartridge for sale at seaview, other than that you can try qianhu since it is their product
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Old 01-06-2014, 12:35 PM   #168
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bought the hydra 40 for a month, the nitrite goes high at 40ppm. it has been running for 4 weeks

ammonia is low and so does nitrate too.

I am having plants in the tank, so it will remove nitrates.
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Old 04-06-2014, 12:06 AM   #169
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is there any issue with the hydra40?
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Old 06-06-2014, 04:47 PM   #170
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Quote:
Originally Posted by cool79 View Post
is there any issue with the hydra40?
Regarding Hydro-Pure Technology Products (Hydra Internal Filter and Hydra Stream Adapter), we believe, the below simpler explanation would be better for the hobbyist:
Hydro Pure Technology works on a AOP (Advance Oxidation Process) to generate large quantities of Hydroxyl radicals (OH-) in the water.
In the typical aquarium water, equilibrium is maintained as per the below balanced equation.

Meaning, if we have more Hydroxyl OH- being produced (right side), then we should have more toxic NH3 being converted to non-toxic NH4+, in order to keep the equation balanced on the left and right side.
In short, Hydra’s main and immediate capability is to first, convert toxic NH3 to non-toxic NH4+. And with further complex Hydroxyl (OH-)radical reactions within the water, the eventual outcome is Nitrogen(N2) and water(H2O). Within the process, harmful Nitrites are also accelerated to less harmful nitrates, then to Nitrogen.
Some people will argue that NH4+ is also toxic for fishes. But it is true only if NH4+ is present in much more amounts, which is rarely possible.
IMPORTANT NOTE:
Most of the Aquatic test kits in the market (API, Tetra, Seachem…etc), they are only able to test for “TAN” (Total Ammonia Nitrogen), the reading takes in all Nitrogen reading with includes both NH3 and NH4+. So with Hydra working to push up NH4+, these test kits will still give a high reading. If you have a test kit that strictly only test for NH3, we are sure the level will be low due to Hydra. And NH4+ will be quickly breaks down to nitrite then to nitrate to complete the cycle.
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