Fimbar

Hi,
I have problems with the water being dirty. The pressure in the sand filter is 0.5 bar. But flow rate seems slow. Any ideas.
Thanks
Mike

__________________
6000 gallons
2 Estra sieves
1 sequence 10000
1 4 bay filter
1 110 uv
Medo air pump
2 spin drifters
1 sand filter
Home made veggy filter

Shevyrabbit

Hi Fimbar
Just one pump? I have a 5700 gal pond and 4 pump and just about to add a bakki with 2 more 15000 pump which will make it 4 15000, 1 8000, 6000, pump I don't know but sure someone will know but think you need to turn over the water quicker

Shevy

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1x 5700 Gallon pond
1x 4 Bay filter
1x Large Vortex
2x Box filters
3x UV 80,55,15,
1x 6kw Heater
2x Skimmers
1x protein skimmer
2x Airaters
1x Sieve
68 Koi
5 Goldfish
4 Pumps 2x15000 1x 8000 1x 6000
1 Veggie filter
1 Sand Filter (24") and Pump

markf1fan

hiya i ran a sand filter many years ago and i can tell you that they need back washing a hell of alot. what happens if you dont back wash them enough is that in time they start to clog up at the sides and water just runs through the middle making them useless really. if this happens then they will clog even quicker because the water is only going through a small part of the sand. if i was you i would strip down the sand filter take all the sand out and then clean the sand out of the filter. then refill it and back wash again untill the pressure is better. mark

__________________
1x 2400 gallon pond
1x estro sieve
1x econo bead filter
1x bakki shower with crystal bio
1x 55w pro clear uv
1x eco 12,000
1x sequence 15,000
1x hi blow 40 air pump
and some really nice koi

Fimbar

Shevy, I also have two central heating pumps. One for the 4 bay and one for the veggy filter. Flow ratenis my concern though as not much muck seems to be trapped in the seive that is fed from the bottom drain and pumped via the 10000 to the sand filter
Thanks mike

__________________
6000 gallons
2 Estra sieves
1 sequence 10000
1 4 bay filter
1 110 uv
Medo air pump
2 spin drifters
1 sand filter
Home made veggy filter

Fimbar

Mark,
Will try what your suggesting. I also get a lot of water coming through the wate outlet on th 6 way valve, is this normal? Also what should the pressure be?
Thanks
Mike

__________________
6000 gallons
2 Estra sieves
1 sequence 10000
1 4 bay filter
1 110 uv
Medo air pump
2 spin drifters
1 sand filter
Home made veggy filter

markf1fan

you should not get any water coming through the waste outlet, sounds like some thing is wrong some how. im not sure on what the pressure should be but im sure your be able to find some where on the net that will tell you

__________________
1x 2400 gallon pond
1x estro sieve
1x econo bead filter
1x bakki shower with crystal bio
1x 55w pro clear uv
1x eco 12,000
1x sequence 15,000
1x hi blow 40 air pump
and some really nice koi

Fimbar

Now running the sand filter on bypass to increase flow rate. Will see what this does before doing anything major. Time to start saving for a bead filter or bakki me thinks

__________________
6000 gallons
2 Estra sieves
1 sequence 10000
1 4 bay filter
1 110 uv
Medo air pump
2 spin drifters
1 sand filter
Home made veggy filter