Legion's Slow Builder

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Legion

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Reply #30

Always good to see pics of stuff Jules so yeah be interested to see the LHH you speak of, even if just a web link to one 👍

There will always be both suspended and dissolved organics, it's the detritus that settles out in the slower areas of our sumps or tanks that I'm targeting with this settlement chamber. However it's essentially a pre-filter, outputting to the primary skimmer chamber before then going on to the LR stage of the sump.

It is going to be an interesting experiment to see how effective the chamber will be but I'm quietly confident, I think 🤔😄

Your LR story just goes to show how organic life in the rock can survive and adapt, new species develop and so on.

It would have been interesting if you had done water tests on that 8 year old water, I will have to test mine when I can dig it out  :geek:

Last Edit: May 29, 2020 11:21:03 pm by Legion

semiroundel

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Reply #31

This is the central heating low loss header, my hand to the side to give scale.
Surprisingly efficient at getting solid matter to drop down, though that isn't the main use of them -it's to overcome insufficient pump head on a heating system (when people rely on using the pump inside the boiler to pump round a big heating system when it isn't man enough to do it).

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Legion

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Reply #32

Hmmm, interesting 🤔

Really small, though everything is relative...

this is because the velocity within the LLH is so low

...do you know how low out of interest?

It would have to be veeeeeeerrrrrry slow to have a 5 minute dwell time  :D


semiroundel

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Reply #33

Not that slow, maybe magnetite is heavier

Legion

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Reply #34

That's the thing, obviously the heavier the particles or rather the greater their mass, the easier and quicker they settle out.

The water entering the LLH will suddenly go from being in a faster flow 15 or 22mm pipe or whatever, into a much larger bore vessel, that's when settlement will occur to a certain degree as you're finding, just like we get settlement in our sumps in similar circumstances.

I've looked all over for research papers, that I can read free, to get a real scientific conclusion on settlement factors and limitations but not found many. Most are on waste water industry research, often on specific issues rather than a full breakdown of the whole process.

Obviously waste water industry applications are closest to pond and aquarium applications as they're trying to achieve same objectives, getting as much suspended organics and detritus of all sizes out of the water.

For that the longer the dwell time the better, then in my case it's over to the skimmer/skimmers to do the rest of the physical removal prior to further breakdown, then we're into biological after that.

Like I said previously this is a mission to achieve as much physical filtering as possible without a physical barrier, ie without floss or socks etc.

One thing would like ideas on is what to build my display around, ideas on a postcard please  :grin:

You see I don't intend putting any LR or rock in general in my display, all the LR will be in my sump so it is totally removable and "cook"able to swap pieces in and out over time easily.

So something non-porous and reef safe that you may find lost to the sea, maybe even stuff that either recently or in history may have been shipped in wooden crates  ;)

Ideas so far are large glass bottles or demijohns right the way through to a missile  :D  anything that coral might colonise if lost to the see in favourable conditions 🤔
Last Edit: Jun 1, 2020 1:28:33 pm by Legion

ajm83

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Reply #35

Hey @Legion any progress on the tank?

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