bubble size comparison for 3 skimmer

[blueheaven]

Yeah I was thinking if the becketts have a downtube for the bubbles to travel, why not do one that does not have a downtube and just direct injection?

And since needlewheels also incorporate a venturi, why not do a custom made pump with 4 holes like a beckett instead of one?

[sugi]

Yeah I was thinking if the becketts have a downtube for the bubbles to travel, why not do one that does not have a downtube and just direct injection?

And since needlewheels also incorporate a venturi, why not do a custom made pump with 4 holes like a beckett instead of one?

Blueheaven,

BEckett need the down tube to be as long as the skimmer body, this is to prevent back pressure of water from the skimmer body.

But I have seen beckett with much shorter down tube compare to the body and it still works. May be not as efficient as the normal deisgn.

I am not the expert here but I believe, every designs, there are reasons behind it.

If we trial an error and change it blindly, it might not work well.

[blueheaven]

Oh thanks for the info bro, I have always thought Becketts are evolved from downdraft skimmers

[SBS_Transit]

A: beckett

B: bubblyking

C: deltec

[Maxima]

Is all photo taken at the same place? right before the tapered portion of the chamber......just before the collection cup?

Let me know before I make a guess, else no meaning

All skimmer should be design to have smallest bubbles upto the tapered portion of upper reaction chamber.

Having said that, tuning plays a important factor

Regarding Beckett having a longer chamber and bubble sizes increasing up the chamber - answer is yes & no

Well Beckett have a much smaller diameter chamber compare to BK, so overall volume/size is the same. In any case the height will also depend on pump driving the beckett. Naturally a taller beckett suppose to use a bigger pump to drive it. That's why I cannot understand the logic that so many newbie out there that build 6ft beckett and run it with a Resun MD40 or MD55 What we call penny wise pound foolish.

And also there is a big diffeerence between External & Internal Needle Wheel. The external model BK/Deltec (AP1004 type model) uses a feeding pump and the needle wheel pumps to recirculate many times of whatever water volume being pumped in. For Internal Needle Wheel & Beckett, the water processing is single turn. Base on theory assuming all tuning is 100% perfect, a external needle wheel skimmer is much more efficient than the internal model.

[Achilles Tang]

Hey, its been some time already!! Answers! Answers!!

[Achilles Tang]

That's why I cannot understand the logic that so many newbie out there that build 6ft beckett and run it with a Resun MD40 or MD55 What we call penny wise pound foolish.

Who? Who? How many?

[DeepBlue]

phew...not me ...my skimmer is only 2ft tall

[typrobin]

weileong, dun keep all of us in suspense leh...

[Achilles Tang]

phew...not me ...my skimmer is only 2ft tall

I think only mine and roidan's skimmers are 6ft tall... let me check, whew... i am running an MX-70!

[typrobin]

I think only mine and roidan's skimmers are 6ft tall... let me check, whew... i am running an MX-70!

i tot roidan's 7ft??

my god...u guys are crazy!!

[weileong]

There you go.

Bubble King 250 external @ EAN.

[weileong]

Answers:

Skimmer A: Barr Aquatic Dual beckett.

Skimmer B: Detec AP850

Skimmer C: Bubble King.

Winner takes home one week worth of skimmate from any of the selected skimmer

[weileong]

one week worth of skimmer???

i use 1 skimmer per day and so i will get 7 skimmers???

wow..

Sorry, typo, already corrected

Oh yes let's congrats Amy for winning one week worth of skimmate, be rest assured we'll be feeding tons of food in to get the most nasty and smelly skimmate that you can never imagine.

[RAV-65]

Bro, u have seen all the three skimmers in action, in your opinion, which skimmer has the finest bubbles?? Cant see clearly from pic....

[Achilles Tang]

From visual assessment, the bubbleking seems to have slightly finer bubbles..... very very expensive fine bubbles!

[typrobin]

IMO, the bubble finest starts with BK, then BARR then DELTEC...