i dont understand the question. whether its wet or dry crud depends on our water/air ratio's , design paremters and whats actually being extracted from the water. unless u guys have some new funky skimming principle im unaware of im at a loss
Well... coming to dadonoflaw's defense... what do you you mean you don't understand the question? It's an option on many skimmers to skim wet or dry. I don't understand what that means either...
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it not an option ive seen on the models down here. that option must slow the water to increase dwell time or increase air ratio by itself to create a quicker backlog of bubbles. hense the wet
some funky options are great, but understanding the principles is far better my questioning friend!
I have always understood dry skimming as the foam collects in the cup and dries which in turn shows the bad stuff. Dry skimming results in a deep dark brown gunk while wet skimming i have always thought to be a faster process that results in greener water in the cup.. I have never really learned about it though so i am almost possitive i am completly wrong lol..
yes, there is actually a difference.
but as to which ones better?? well thats like DSB vs BB..
there are many people that say wet is better, and many people say dry is better.
about the most you will find is peoples opinions on this, i have never seen a study to show which method actually removes more DOC.
my advise to you is, skim wet for a month, then skim dry for a month, then skim wet, then dry until you decide which one makes your tank look better.. ..
im sorry, but anything further would simply be speculation
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How people skim seems to correlate with what type of sand bed is in the tank.
People with a DSB skim dry since they are relying on the sand bed to absorb the junk.
With a bare bottom tank, there is no sand to absorb the junk, so those people have a lot of flow, kick up the detritus and skim very wet to remove the excess nutrients.
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skimming wet involves the water level in the skimmer being higher up. this produces a wet less tacky and less dense skim mate and removes more tank water.
skimming dry is the exact opposite, the water level is lower in the skimmer, the bubbles come out fryer and stickier, producing a thinker less watery skimmate
as to it being an option? yes actually it , however indirect. on the AquaC its the rise neck that allows you to adjust this, on many other skimmers its the gate valve that adjusts this
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Thanks all. Question answered - at least to my satisfaction.
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venturi driven skimmers have the water level that performs optimal at the base of the bottle neck leading to the cup.
i havn't been shopping for skimmers in awhile. i hear what your saying about the wet/dry optiion dropping OR raising the water lever within the vortex chamber. with dropping the water level, all your relying on is more proteins being pushed up which allows the protein laiden bubble to dry somewhat and in higher concentration amounts.
nothing like abit of contriversy to fire up the forums hey..i love it
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