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Refugium design ideas 11/16/07 Hi, My name is Chris and I was thinking of intergrading <integrating?> a refugium into my current set up. I recently just purchased a used 65 gallon reef tank, with roughly 45lb of LR and various inhabitants. It is very well established and been up and running for 8 years. Its filtration consists of hang-on over flow box that feeds into a wet/dry filter and is pumped through a chiller. I think the filtration is due for an overhaul, and I plan on severely modifying it. Here are my ideas please let me know what you think. First I was thinking about adding a filter sock filled with carbon at the sumps intake and also placing a protein skimmer in the first compartment. I then would like to add a refugium, this would be placed next to the wet/dry and fed by a bulkhead. I was wanting to try something new that I have not been able to find any information on. <?!> I think it sounds like a good idea, that is dual compartment refugium. In the first compartment I would like a deep sand bed with plenty of LR and algae and in the second compartment I want to put a mud bed with mangroves and some macro algae. I really need help figuring out how things should flow to get the correct flow rates and to minimize the time the chiller needs to run. My question is about return pumps and flow, should it all flow through system and then back into the tank or should I use 2 pumps, or a tee and where to utilize the chiller. I will attach drawing of what I have now and what I would like incorporate. Any help or advice would be appreciated. Thank you for your time, Chris <Please read here: http://wetwebmedia.com/marsetupindex2.htm the second tray... and the Reef Invertebrates tome by Calfo and I is about one quarter devoted to refugiums. Bob Fenner> Sump design question... and reef set-up f' Hello, Apologies for what is probably a very simple question written in a very long way, but I feel I have gone round in complete circles after reading dozens and dozens of articles over the last few months. I have kept tropical and planted aquariums for pushing 20 years now and more recently been "keeping Nemo" for about 2 years (60 UK gal tank). Over these two years I have collected a number of items in preparation for the move to a big marine setup. <Good> I have now finally taken the plunge and purchased a Cleair Amazon- deep bow fronted aquarium http://www.cleairaquaticslimited.co.uk/acatalog/BSAC.html 180cm Length, 54cm Width, 98cm Height (I know this is tall but will loose 15cm to a DSB) of Aquarium & 57 cm Height of Cabinet 690 Litres (153 Gallons). <Wow! 3,000 Pounds? Almost a metre tall? ...two "side-filter chambers"? What are these? Overflow towers I hope> This has just been professionally drilled and had a weir fitted so that I can utilise a sump. <Ah, good> I am limited on the size of the sump due to the cabinet (again modified with a stainless steel frame so that I can remove the dividers). The opening will allow for a sump 120cm x 30 x 30. <Yikes... only a foot deep? Mmm, anyway to put it to t'other side of the cabinet, elsewhere? My fear is that the flow rate you may well want, meaning also the "transit volume"... i.e. the water in play, is going to make the "live" water depth here appreciably less... like less than half the 30 cm. depth... To prevent flooding in the inevitable events of pump shut-off...> My question is apart from the heaters, protein skimmer and auto top up system should I put in the sump ? <... a long possible list... DSB, macroalgae, mud in some part of less-flowing area... perhaps more test kit, probes, reactors...> The main tank will hold a huge amount of live rock (I already have a great deal of this but will purchase enough extra to create a complete rock back drop for the tank). In addition I have a large quantity of 1mm coral sand which I intend to run a 5"-6" deep sand base. <Good, among other things because it will be near-impossible to physically reach the bottom of this system...> After the articles I have read I question any value in putting a wet / dry area with bio balls ? <Could be, but I wouldn't> also I don't understand the value of a refugium where any life would be liquidised by the main pump returning the water to the main tank. <In actual practice/practise, this doesn't occur... much of the life gets through, what does get smooshed is still of value...> Unless this was used to grow algae that could be harvested. Lastly wouldn't using something like miracle mud be defunct as I will have DSB in the main tank? <Mmm, no... performs complimentary and separate/speeded up functions. Better to have both than one or the other> My current stock is a common clown, yellow tang, royal Dottyback, cleaner shrimp, 4 x peppermint shrimps, blue leg hermit / red leg hermit / Halloween hermit and a few snails. Lastly a good colony of pulsing xenia and good quantities of algae that grows faster than the tang can eat. Unfortunately I have a glass anemone problem so would like to add a copper band reasonably soon. Do you foresee any issues with this ? <All sorts... I would NOT do this... treat a system, rock that you intend, might use in a "reef"... too many residual toxicity possibilities... And NOT a useful way to eradicate pest anemones... See WWM re other techniques> Longer term I would add more inverts, small fish and maybe some soft corals that are not very light dependent as this system will run with T8's to start, moving to t5's at a later date. <Won't be useful at the bottom of this system... I'd be looking into MH...> Thanks for taking the time to help and probably save me a lot of time and effort changing the system at a later date. Once setup I will post a Photo and undoubtedly be trying to tap into your expertise again with regard to further stock. Regards Steve <For the sum of funds you have invested... I would do a bit more reading for now... taking good notes... Writing back with specific queries. Start here: http://wetwebmedia.com/marsetupindex2.htm the second tray down. Be chatting, Bob Fenner>
Refugium: fish and coral tanks... Whamba Jamba... too much incompatible life in too little dimension 10/2/07 Hello, <Good morrow> I have a 20 gallon reef and fish tank with: 1 maroon clownfish <... needs more room than this> 1 Rainford goby 1 scooter blenny <Needs more room for food production> 6 turbo snails 1 Kenya tree 1 Lobo brain Zoo polyps <Toxic... likely too so here with these other Cnidarians...> Green star coral 2 feather duster 20# live sand 20# live rock. It is hooked up to a 15 gallon sump/refugium that has a wet/dry with 4 L of matrix bio media and a Fluval 305. I also have a 50 gallon all fish tank with: 1 niger trigger <Needs more room...> 1 lunar wrasse 1 imperator angel <Much more...> 1 fire hawkfish 1 red sea sailfin tang <...> 50# live sand 50# live rock This tank is hooked up to a 29 gallon refugium with no wet/dry but it has a Fluval 404. <Am not a fan of canister filtration in these applications> Finally, my question is in your opinion would it be an option to hook both tanks up to the 29 gallon refugium with the wet/dry from the 15 gallon without effecting or endangering my coral tank or my fish tank. <Might be worthwhile to dilute... But really...> I have always heard that fish tanks and coral tanks should be kept separate, however with all of this filtration, a uv sterilizer and a protein skimmer I would think it might work. If this is possible it would decrease my energy used to sustain both tanks, but I don't want to jeopardize the health of my fish or corals. THANK YOU FOR YOUR TIME AND THOUGHTS. I look forward to hearing from you -Craig <What you need is to READ re the Systems and Compatibility of the life you list... What you have jammed into these little volumes is untenable... Won't work period. For what you list you NEED three-four times more space. Bob Fenner> Refugium/Set-Up 9/27/07 Hey guys (and gals), <Hello> This is my third question in nearly as many days and for that I apologize (Bob, I swear I have your book on order). I finally had it all figured out it, until I started thinking about my sump. I am planning a separate sump/refugium setup and as I browsed through the many FAQs here regarding sumps it seems as if most people are using sumps as refugiums, necessitating baffled chambers in the sump. Since I am planning an independent sump, is there any reason my sump can't be one big chamber? If not, can you spell out what I will need for chambers? <Let's start by reading here, most if not all of your concerns will be found. http://www.wetwebmedia.com/refugium.htm> Also, my tank is acrylic, I am considering bulkhead fittings (rather than the current overflow box) for overflows and returns. <Good idea.> Is this difficult to accomplish? <No.> Could you give me a brief explanation on how it is done (or point me in the direction of a link)? <Go here. http://www.wetwebmedia.com/plumbingmarart.htm> Thanks again! <You're welcome. James (Salty Dog)> 75G FO choices. Thinking Small For Long-Term Stocking Success! 9/25/07 Hello all, <Hey there! Scott F. in today!> Pardon the length, but some history for you. After considering several options/budget issues and much research here), I am setting up a 75G with an in-sump refugium as a future home for a small group of more aggressive marine fish. The display will be lit by two standard wattage bulbs, and decorated with about 70lbs of base rock. Water will circulate through a 30G sump at about 450 gph (actual sump volume of about 15-20 gallons, including the 'fuge) and the refugium will have its own pump running around 150 gph through about a ten gallon volume which will hold a 5" DSB, some live rock, and macroalgae. <Sounds like a well-thought-out plan> The 'fuge will be lit by 36w of CF lights. All that said, my kids are "helping" with the setup and selection, and they are wanting a Yellow Tang, a Lunare Wrasse, and a Picasso Trigger as tankmates. My oldest loves the Harlequin Tusk, but not ready to spend that much just yet. <Yikes! Quite a mix for a 75 gallon tank! I hate to be a "buzz kill", but I wouldn't even mix those fishes in a 175 gallon aquarium. These fishes all require a lot of physical space, get quite large, and give off copious amounts of metabolic waste. Not really ideal in this situation, IMO.> My question is this...I see this stocking working for a max of up to two years' time, then having to trade, etc, which I don't like to do. <Neither do I. Often, the trades never happen, or the larger aquarium we intend to get doesn't come to pass so quickly. The fishes then languish in an aquarium that is too small for their long-term happiness.> I love either a Picasso Trigger or Harlequin Tusk as a single wet pet, but concerned about getting single fish syndrome. <Well, either of these fishes could do okay in a 75 for maybe a year, tops. Then a much larger system would be required.> Once I have this set up, I will seed the tank with cured live rock and some live sand, then wait for a good month before adding anything, testing the whole way. I really want this to be a one shot effort. <Your methodology sounds fine, but the stocking plan is really not a good one, IMO. It's best to stick with fishes that can live their entire lives in an aquarium of this size. Maybe you could fall in love with "smaller versions" of the fishes that you are considering. There are no truly smaller Triggers, but how about trying a smaller Hawkfish in place of the Trigger, a Halichoeres species wrasse in place of the Lunare, and a Pseudochromis for color? I really wouldn't keep a Tang of any sort in an aquarium less than 6 feet in length. They really need the room to roam! Think about smaller fishes...Trust me- it's a better long-term solution!> Thanks for a great site! <My pleasure.> PS-Can you give me the title of the newest book regarding refugiums? I can't find the reference I saw earlier.... Stan <Well, Stan, I'd consider Bob Fenner and Anthony Calfo's "Reef Invertebrates", which has a great section on refugia. Or, you could check out the latest volume of the Sprung and Delbeek's "The Reef Aquarium" series, which discusses them as well. HTH. Regards, Scott F.> Refugium for Shop Setting-- 09/17/07 Hello Bob and Crew. We were wondering whether we could pick your well informed brains! We are in the process of fitting out our new shop premises, and want to run a refugium on our system. The system is 1000 gallons. What size should the refugium be, and what should the water flow be over it? Thanks so much Claire <Mmm, as big as possible... and perhaps not more than 5,6 times turnover the macro-algae part... You have read here: http://wetwebmedia.com/marsetupindex2.htm the second tray down? Bob Fenner> Refugium... des. -- 09/14/07 So the decision has been made to create a refugium underneath my 120gallon soon to be reef tank. The sump which houses a Phosban reactor, RS135 Euroreef Filter and heater had its size lowered in half form about 30G to about 20G, and a 36G separate refugium is going to be added. <Okay> The max footprint I can fit for the refugium is 15x21, and I was thinking about going 30" tall. I would be using a 6" DSB and some type of macro algae. I have been told I will most likely only end up with algae growth in the top 12"... so I would most likely end up with 12" of water in between algae and the DSB from what I've been told. I was thinking this extra 12" if nothing else will at least add to the volume of the system, and it can be used to temporarily house problematic creatures, and breed pods.... does this seem reasonable to you or would I be better suited with a shorter refugium, wider or longer is not an option. Thank you much. Josh <Mmm, well, the bigger the better... Will you be able to get into this 30 inch tall container though? Please read here: http://www.wetwebmedia.com/marsetupindex2.htm the second tray down. Bob Fenner> Sump/Refugium, des. 8/24/07 Hi gang, <Rick> I think I'm at wit's end here - maybe I've just "bumped" my head too many times. I'm embarrassed to even ask this, but I've spent hours reading your site and I cannot "vision" the water mechanics of a sump/refugium. <Mmmm> Ok - raw water to first chamber - great place for protein skimming - elevation of this chamber is "SET" by continuous wall (skimmer needs this set water elevation). <Ok> Waterfall over set wall through a potential series of lower baffles into a refugium area . again the water level here is set based on another solid wall. Water again over the set wall possibly through a series of baffles into a pump area. Pumped back to tank. <One way...> Unless I'm missing something here, the evaporation of the entire system will "show" only in this last pump compartment. <Sure... with all in operation, as you detail it here...> tell me I'm missing something here or without an automatic top-up device, this thing could "dry-up" in less than a day? <Mmm, nah... if there's sufficient volume in the last area as you state...> Or can the sump be filled significantly higher than the wall separating the refugium and pump compartments? <Can be> Brain-dead in Edmonton <Draw all this out... should revive a few neurons! BobF> Re: Sump/Refugium, des. 8/24/07 Thanks Bob, <Rick> I spent some time last night reviewing the refugium/sump sketch you have on the website ... with the 6" solid wall and then elevated wall/baffle between the 'fuge and pump compartment - this allows the water level in both areas to balance and essentially act as one volume. I'll modify this design slightly (higher wall between 'fuge and pump compartment - keeping in mind the volume I require above this level for water in transit) to accommodate DSB and macro. Neurons revitalized - for now. Rick <Heeee! When in doubt, rest, sleep... works wonders for me! BobF> |
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