pump for bog filter

[qclabrat]

I was about to order a Laguna MaxDrive pump for a bog filter I am putting in this weekend. What are the uses of a direct drive vs mag drive pumps? Which one is a better application for a bog filter setup?

Then I looked at the watts and almost fell over.

The MagFlo series appears to be much more efficient and my pond is only 4 feet. Any reason I can't go with this one below. My pond is about 1800G. Willing to look at other pumps, looked at Laguna as I currently have a 5 year old MaxFlo 2000 which has been problem free.

 

[sissy]

It can also depends on the size of the hose .I found the bigger the hose the less wattage the lagunas used and the more water flow I got

 

[Meyer Jordan]

If this pump is dedicated to the 'bog', go with the mag-drive. What size is the 'bog'?

 

[qclabrat]

If this pump is dedicated to the 'bog', go with the mag-drive. What size is the 'bog'?

10 ft by 2 ft and 2 ft deep, using a 2 inch pvc pipe to supply the water

 

[qclabrat]

i've notice pumps which are not direct drive have lower head limits. Does that mean that the pumps are more for deep ponds to have enough power to push the water up farther? If thats the reason for the high wattages, I can probably go with a mag or similar design.

 

[Meyer Jordan]

If thats the reason for the high wattages, I can probably go with a mag or similar design.

That is close to the actual reason. Go with a mag-drive.
Will this pump be only for supplying the 'bog'?

 

[qclabrat]

That is close to the actual reason. Go with a mag-drive.
Will this pump be only for supplying the 'bog'?

yes, will keep the smaller MagFlo to supply the waterfall

 

[Meyer Jordan]

yes, will keep the smaller MagFlo to supply the waterfall

I would advise the opposite. Use the smaller pump for the 'bog'. Better biological efficiency.

 

[qclabrat]

I would advise the opposite. Use the smaller pump for the 'bog'. Better biological efficiency.

how many GPH flow rate do I need for a 1800G pond?