Joined: May 02, 2006 Posts: 1742 Location: Bangalore
Posted: Fri Jul 06, 2007 12:35 pm Post subject: Re: How often do I need to change...
IN first place, Why are you using Carbon?????
On the filter output i have not tried Dolphins... But with Eheim i have seen that the filter works as specified. Check if you have blockages... Also check the filter media. If it has too much of murk and is blocking then obviously the filter output would go down.
Joined: Aug 19, 2005 Posts: 4895 Location: Mathura, UP
Posted: Fri Jul 06, 2007 3:08 pm Post subject: Re: How often do I need to change...
Is this a external pond.
In a water body of this size , carbon will be of no use. Carbon is used to absorb impurities and becomes useless after some time.
If you give some more information about your set up, a more specific advice can be given.
Posted: Fri Jul 06, 2007 3:33 pm Post subject: Re: How often do I need to change...
Thanks you for the update. Well the Carbon, came along with the unit. It came along with Ceramic Rings, Black Charcoal-ey Stuff, which I'm guessing is Activated Carbon, server kinds of Sponge. And I had an extra tray In which I've placed gravel of size of about 4mm thick.
I had checked the flow as soon as I set up the filter with the Pond. Thats when I got the 500 L/h reading. I've also got a pre-filter in place at the intake. The filter seems to be really helping. The fish seem to be real happy too. But I wanted to get a lil more flow in there, and I wanted the Pond to be turned atleast once in a hour. Thats why I wanna try out the dymax pump.
Right now the external filter is set up as shown below:
Posted: Fri Jul 06, 2007 3:43 pm Post subject: Re: How often do I need to change...
How are you ?
Well its a pond out in the garden.
-Its usually maintained about 1800 - 2200 Litres.
-Total area of about 35 sq ft
-Average depth of about 1.5 - 2 feet.
-Two thirds of the area is heavily planted
-Average fish length about 2.5"
-Got About 80 in total (Botias, Carps, Barbs, Tetras,Sharks and a few Chilids Its a community pond)
I've got a Dolphin C-1600 external Filter and a Dymax PF-5000 pump. As of now, I've only hooked up the Dolphin.
Like I was saying, I really wanna try to drive the filter with the pump.
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