Skimmer Help

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Hey guys

You may recall me from such classics as https://reefbase.co.uk/general-reef-discussions/how-do-i-get-rid-of-hair-algae/

Well in a bid to cut down on nutrients to get rid of the blasted GHA i got myself a skimmer.  An eshopps nano skimmer to be precise since its one of the few that fit my tank and people seem happier with it than they do with the IM ghost skimmer.

Basically, I have had it running for over a week now and it's not really removing much.  To be honest, this is probably down to user error more than anything else.  Im not really sure what im doing with it and the instructions are hopeless. 

My first question is how high up the tube should the bubbles be?  I have the main bubbly it at around half way up the tube to the collection cup and then the bigger bubbles go to the top and pop just near the rim.  Not the best explanation i know, but hopefully the pic will clarify.  Is this correct?  Also should i have to keep adjusting the height of the skimmer to keep the bubbles where they are?  I suspect not and that i may need to kick my ATO to be more accurate.

Any advice will be warmly appreciated :)

Cheers

/R




fishface

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Reply #1

Have u tryed looking on YouTube there's lots of skimmer clips on there

Paddone

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Reply #2

Im new to the hobby (quite good with science though), my understanding is clean white bubbles should reach about half way up the funnel section of the skimmer and bubbles should only come all the way up and over into the collection chamber if the water is oily/protein laden, causing increased surface tension in the water allowing the bubbles to hold shape longer.

This means ideally most of the time the protein skimmer is not collecting but will rise and collect after feeding or water treatments increase the impurities in the water. The bubbles that reach the top of the funnel at these times will likely be slightly brown in colour.

As I say I'm new to reefing so its probably best to get confirmation from someone experienced.


HK_Fuey

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Reply #3

It should be in a section of the sump where the water height doesn't change (so anywhere except in with the return pump).  So, no changing height required.

You ideally want as much air as possible, then adjust the height, and tweak the air input to get it just right.

The foam should just overflow the top and pop in the collection cup. 

There should be enough waste to keep the skimmer busy if you feed normally.  It will spike from time to time with some foods, and sometimes for unknown reasons (everyone seems to get a crazy skimmer from time to time).

rusty_uk

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Reply #4

Unfortunately the design of the sump means that it can only go into the second chamber which of course is affected by the return pump :(


But it's almost like it was listening since i now have a bit of slightly mucky coloured water in there.  I will leave it a bit longer and see if it improves.


I think that the tolerance between on and off of my Tunze Osmolator Nano ATO may be too high which could account for the water level swings.

fr499y

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Reply #5

the water in the second chamber shouldn't lower/rise

rusty_uk

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Reply #6

You know what.  As i typed this, it occurred to me that i probably have too much water in my return chamber. Which seems to be confirmed by your statement fr499y ^


 I currently have it set to the red line in the image.  This of course means that the water in both chambers 2 and 3 will rise and fall together.  Im thinking that if i move the level down to the blue line then the water level in chamber 2 will remain stable and trickle over the edge and into chamber 3.  Thus fixing my water level issue.

fr499y

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Reply #7

try and set it roughly a inch or so lower than the baffles from 2 into 3 :)

HK_Fuey

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Reply #8

You know what.  As i typed this, it occurred to me that i probably have too much water in my return chamber. Which seems to be confirmed by your statement fr499y ^


 I currently have it set to the red line in the image.  This of course means that the water in both chambers 2 and 3 will rise and fall together.  Im thinking that if i move the level down to the blue line then the water level in chamber 2 will remain stable and trickle over the edge and into chamber 3.  Thus fixing my water level issue.
Spot on

rusty_uk

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Reply #9

makes perfect sense doesn't it.  I guess it didn't really matter before since i didn't have anything in chamber 2 that relied on the water level being stable :)



How silly of me.  Been running it like that for ages  :O


rusty_uk

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Reply #10

Quick update. 


Since sorting out the water levels, the skimmer is now pulling out some nice filth.

Cheers for the help




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