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Old 06-11-2016, 01:10 PM   #31
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Not enough flow. Falls straight down pretty much sorta towards the intake.
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Old 06-11-2016, 01:43 PM   #32
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Not enough flow. Falls straight down pretty much sorta towards the intake.

What's powering the spraybar?


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Old 06-11-2016, 08:05 PM   #33
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Sunsun 302. I wonder if I have overpacked the media?
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Old 06-12-2016, 05:44 AM   #34
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Sunsun 302. I wonder if I have overpacked the media?

They should be quite a lot of flow. I don't know anything about the sun Suns though. You will lose exit velocity the longer the spraybar though. Also you should ideally have straight hoses to the tank and yes added media will reduce flow rate.

At risk of sounding condescending, can you control the flow on this filter? Is it at max power?


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Old 06-12-2016, 10:15 AM   #35
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Spray bar position, what is best?

You cannot control the flow. And if I remove the spray bar the straight hose is definitely putting out some pressure. But the spray bar is doing a great job a spreading the output.

It is flowing front to back on the left side of the tank. It is about a foot log but I can reduce it to 6".

I am dropping the food in the front and perhaps the flow is pushing the food down faster, straight down?

Very little of the food is going towards the intake that is on the far right.

I have been vacuuming well weekly but I am starting to see a bit of nitrates in my tests.

And the canister is pretty packed.

I'm thinking to shorten the spray bar and remove some media?

At the moment the filter is filtering just the water waste I would guess none of the food is ever getting to the intake.


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Old 06-12-2016, 05:51 PM   #36
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You cannot control the flow. And if I remove the spray bar the straight hose is definitely putting out some pressure. But the spray bar is doing a great job a spreading the output.

It is flowing front to back on the left side of the tank. It is about a foot log but I can reduce it to 6".

I am dropping the food in the front and perhaps the flow is pushing the food down faster, straight down?

Very little of the food is going towards the intake that is on the far right.

I have been vacuuming well weekly but I am starting to see a bit of nitrates in my tests.

And the canister is pretty packed.

I'm thinking to shorten the spray bar and remove some media?

At the moment the filter is filtering just the water waste I would guess none of the food is ever getting to the intake.


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You'll do well to see many large particles entering the inlet unless they are right next to it.

Sounds like the flow is pushing the food down. Your flow pattern sounds ideal though. How far does the water travel if you lift the spraybar out of the water?

Don't worry about particles settling it doesn't matter so much in a planted tank, they can be removed by siphon or left in to provide more nutrients. Most planted keepers don't actively siphon the substrate.


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Old 06-12-2016, 10:50 PM   #37
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Spray bar position, what is best?

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When even with the water the spray on the end is up maybe a 1/2 inch.


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