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17-08-2013, 09:21 PM | #141 |
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Hydra 20
I have been using the Hydra20 for a few months now for my simple 2ft tank. There is no other filtration in it. I am just a typical average fish hobbyist that play with simple bare minimum setup. All my life I have tried many internal filters before and also sponge filters, overhead filters, hand on filters etc... This Hydra filter is quite amazing. Every week I change 10% of water. Haven't even open the hydra to wash before. Somehow the water always just remains clear and no smell at all. 50 over assorted small fishes and shrimps are healthy. I must say, all my Iife, I have never seen an internal filter work so well before.
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17-08-2013, 10:22 PM | #142 | |
Arofanatic
Join Date: Apr 2007
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17-08-2013, 10:42 PM | #143 |
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Hydra20 only got 1 cartridge but good enough for my simple tank with small fishes. hydra 20 flow is just right for 2ft tank. Hydra30 flow will be too strong for the fishes.
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18-08-2013, 01:43 AM | #144 | |
Arofanatic
Join Date: Aug 2013
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18-08-2013, 09:09 AM | #145 |
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Hi bro, I did not fix the air tube, and I place below the water surface, so I didn't have any air bubbles. If u did not use the tubing, and u put the top of the hydra at the water surface, it may draw bubbles. Else u can adjust the flow rate slower to reduce the bubbles being drawn.
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18-08-2013, 09:18 AM | #146 |
Arofanatic
Join Date: Apr 2007
Posts: 157
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Bro, how to adjust the flowrate?
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18-08-2013, 09:30 AM | #147 | |
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Join Date: Aug 2013
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18-08-2013, 09:32 AM | #148 |
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18-08-2013, 09:40 AM | #149 |
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Hi bro, if u want bubbles, the hydra must be place near water surface. If too deep, it do not have the drawing pressure to suck bubble from the top. Secondly, if u also use the black attachment at the other end of the tube, that thing can be adjusted for amount of air bubble.
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18-08-2013, 10:16 AM | #150 |
Dragon
Join Date: Jun 2005
Posts: 665
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if u r a itchy-backside person like me whom always buy fishes whenever u liked resulting in overstocking.. hydra is a a good complimentary product.. my main tank 5x2.5x2.5 was running with a 4 ft sump and 2x hydra 50 with over 20 fishes with 2 5 inch ray... all eating and water crystal clear...
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