215 Peninsula mixed something, Supernova to Black Hole build

DaddyFish

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It's now January 2021 and I finally have confirmation that my custom build 215 from Planet Aquariums is on the production schedule and due to deliver within a few weeks. And there's enough design and fabrication work completed, along with MORE than enough equipment purchases to consider this one a reality. So here goes yet another build thread...

The Parameters
* 6' long Peninsula tank at least 28" tall because I'm a fish guy! 72x24x30
* Not rimless, trying to learn from others who had gone rimless and said after several years they wish they hadn't (for valid reasons)
* 3/4 glass bottom.
* Low-iron glass on three sides.
* No filter socks, fleece roll system.
* Skimmer-less filtration with refugium and kick-butt algae scrubber (CW Aquatics CW-200).
* UV system.
* ATO system.
* Continuous Water Change system.
* Open Frame Cabinet (no center supports).
* Stand must fit with the look of the house since it will sit as a space divider between Living Room and Dining Area.
* Lighting must support Softies/LFS in all areas, SPS optional in a such a deep tank.
* Lighting must NOT extensively spill out into the adjacent spaces.
* No canopy or hanging of lights from ceiling, must be supported by the tank rim. Sleek, modern, Open-top appearance is a must-have.

Key Challenges
* Everything except RO and Mixing systems must fit underneath the tank.
* Floor is hardwood but web-truss design (not on grade). Addition of jack posts and support beams required.
* Finding the right tank! Lots of Chinese made tanks fit the size criteria, but rimless with both top & bottom euro-bracing is definitely not my thing.
* Designing a cabinet stand with suitable aesthetics, structural strength for no vertical support dividers, hinge-less lift-away panels.
* Designing and building the cabinet without jumping ahead of confirmed tank dimensions, but far enough in advance of tank delivery.
* Automation and how far to take it on the "first pass".

Pictures posted next...
 
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Tommy's Phyto
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DaddyFish

DaddyFish

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Drawings of the cabinet stand...
1611284375626.png



Some detail of the stainless steel header inlay...

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Adding extra coats of polyurethane to the area where the peninsula tank will reside...

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The cabinet stand framed-up and partially skinned...

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Painted with interior panels for sump/filtration floor, ATO reservoir tank shelf, electronics cubby and cooling fan...

1611284721137.png
 
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DaddyFish

DaddyFish

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More equipment decisions and purchases made...

Trigger Systems Platinum-34 Sump
1611287170380.png


Trigger Systems Sapphire ATO 10-gallon
1611287285252.png


CW Aquatics CW-200 Algae Scrubber
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Sicce SDC 9.0 Return Pump
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Hydros Controller (plus ATO, rope leak sensors, water level detectors, etc.)
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ReefBreeders Photon V2+ (32 x 2) lighting...
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150 lbs of this...
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50 lbs of this...
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120 lbs of this...
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55w one of these...
1611285724090.png


Jebao Doser 2.4 for dosing and Continuous Water Change system
1611287646781.png


And a whole pile of these, with CA glue, mortar mix, tubing, connectors, paints, it's unfathomable!!!
1611285882430.png
 
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DaddyFish

DaddyFish

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Livestock plan is for the puffers to remain in the 90-gal see-through shipwreck tank (shameless link to that build thread).
Most other livestock will eventually migrate to the new 215 (tangs, sweetlips, stoopid clowns, triggers, corals).
Haven't decided where the snowflake eel goes yet, but the end-goal is two, yes TWO tanks!!!, not the four I had around as of December 2020.

*** Edit ***
Forgot to add the need for a GoFundMe page! I did mention the Financial Black Hole component, didn't I ???
 
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Tommy's Phyto

Dkmoo

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Following this build after seeing your "no skimmer" post. While I fully agree an effective fuge can replace skimmer, I'm interested in your thought process on the below two pieces:

1) why also an algae scrubber? Is it just to add variety of algae and redundancy? Or is fuge more for microfauna and scrubber more for nutrient export.

2) seems you are going "all in" in biological filtration. Why then the UV? I'd assume the UV would be pretty detrimental to the bottom layer of the food chain (bacteria, protozoans, etc) that is necessary to establishing a healthy microfauna that is crucial to a complete biological filtration system. Here i dont just mean nitrifying bacteria, but all bacteria that help break down waste and feed the upper layers of the food chain.

Thx.
 
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DaddyFish

DaddyFish

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Following this build after seeing your "no skimmer" post. While I fully agree an effective fuge can replace skimmer, I'm interested in your thought process on the below two pieces:

1) why also an algae scrubber? Is it just to add variety of algae and redundancy? Or is fuge more for microfauna and scrubber more for nutrient export.

2) seems you are going "all in" in biological filtration. Why then the UV? I'd assume the UV would be pretty detrimental to the bottom layer of the food chain (bacteria, protozoans, etc) that is necessary to establishing a healthy microfauna that is crucial to a complete biological filtration system. Here i dont just mean nitrifying bacteria, but all bacteria that help break down waste and feed the upper layers of the food chain.

Thx.
Most excellent questions and I greatly appreciate the opportunity to discuss.

First, I'm having space issues with such a large algae scrubber. And while it does fit, it barely fits with enough space to just slip out the "rack" as it rubs against the tank bottom (tested the mockup this week). So I may be robbing some of the refugium space for a DIY semi-submerged algae scrubber.

The purpose of the added algae scrubber is primarily for nutrient export. I plan this tank to be heavy on fish and light on corals, so nutrient export is a big concern.

UV is for parasite management. I'm one of those people who long ago gave up on having a parasite-free system. I don't consider myself an "ich management" person either. I prefer to quarantine all incoming fish, dip corals and rinse inverts, but that doesn't give me 100% infestation management. It only, but greatly, improves my odds of success.
UV has so many times bought me extra time to properly identify livestock problems, capture and QT the fish, that I cannot imagine life without it. Plus I frequently travel for work and may be away from my tanks (yes plural, tanks!) for days at a time. UV allows me to manage problems when I get home.
 

Dkmoo

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makes sense.

my whole guiding principle for reef keeping is to "emulate nature" and keep the reef in a stable equilibrium state as close to nature as possible. Granted, physical limitations in terms of water volume prevents true emulation so external controls are necessary to a degree. Where one stands on that spectrum is one of personal belief. for me, in deciding if an equipment is necessary, i ask myself "does this bring me closer to a natural condition", if the answer is yes, i add it, if its "i'm not sure" i dont.

fuge/scrubber - totally agree. our tanks just don't have the volume or critical mass for anerobic bacteria to fully process all waste back to N2. Many of the DSP philosophies of yester-decade is resulting in a mixed bag of true N cycle system vs "massive diaper systems" that took 10+ years to fill up. i think based on some of your other posts, you have a good understanding of the whole nutrient cycle in terms of the different types of food we put into the tank and what organisms uptake what nutrients in each stage of the nutrient cycle so it's good that you are allowing natural processes to fully run thru this entire nutrient chain and only target the control of the final waste - no3/po4. And since we generally have a target no3/po4 level to maintain, the fuge/scrubber imo is an easy "yes"

only consideration for a lack of skimmer is ph control, or i should say the lack of options for ph control. Since you are running a heavy fish light coral system, co2 is going to be an issue, and high co2 is number 1 cause of low PH. There are other factors here but it'll basically boil down to a numbers game between how many fish you have vs how much co2 processing power your corals/algaes have, vs ur ambient room co2 concentration. Maybe the sheer size of your algae army make it OK, or maybe it wont matter since you don't plan to keep too many corals (stonies are more sensitive to having optimal ph level). no skimmer basically removes the option of controlling Co2 via air exchange and recirculating co2 scrubber set up. There are alternatives such as air stone linked to outside air or open circuit co2 scrubbers but IMO both have down sides that can be avoided by a recirculating skimmer co2 scrubber set up. Again this goes back to - does it bring my system closer to nature - and in this case its a resounding "yes" bc i simply do not have the volume of water to dilute co2 back to natural levels.

UV is where i think our opinions would differ - simply because if i ask myself "will UV make my tank closer to nature" - the answer is "i don't know". I don't know what the actual level of bacteria/protozoan/planton/parasite levels are my tank in terms of both diversity or density, so i don't know if UV is turning my tank from a "cesspool's of disease and toxin" into a more nature environment, or is it turning my nature environment into a "sterile barren wasteland". If I have to guess, I would lean its somewhere closer to the latter of the spectrum because

1) In any ecosystem, population of every tier in the food chain is controlled by a) total available nutrient and b) the apex predictor. In our tanks - both of these are controlled by us. So, any final population density of our bottom tier of the food chain that is reached has to be a level that promotes the long-term stability and health of the full ecosystem.
2) external parasite/pathogens introduced to the closed system and run amok due to lack of natural checks is a real concern. This happens in nature too with invasive species that in short term destroys a local habitat and long term re-establishes a new balance - this can take centuries or millennia and require massive volume - both are impossible in home reef systems. so then again two divergent treatment paths - either a) scorch earth the bottom layer food chain and artificially re-stabilize the layer above it, or b) increase biodiversity as it is a proven scientific fact that greater biodiversity reduces the risk of invasive species upsetting the balance of local biome. Where one decide between a) and b) is again a matter of personal belief and i don't pretend to know which one has a higher chance of long term success, but I do know that one depends on external control, one doesn't.

for my tank, I try to minimize the risk of deadly pathogens killing everything in my tank by
1) making sure i have a good source of vendor - the fish has to at least look healthy, is living in a stress free LFS community tank, or a display tank that at least has some semblance of a habitat, instead of a bare 5g water box with 100 juveniles of the same species crammed in there.
2) most fish die from stress induced lowering of immune system from initial environment change, so my focus is not to make their environment germ free, but to make sure they are stress free by not over crowding, having the right habitat features, and feeding a variety of healthy and live foods. Then trust that their immune systems can prevail.

I'm not some hippie who believes that nature fixes everything. (quite the opposite I'm very science driven). I think if you followed some of my other posts you'll see that i believe in the right tool for the right job - we just need to know what the right job is - UV for a QT or HT? Absolutely - b/c the job there is to keep things sterile. UV for the DT? i'm not so sure..

Interesting somewhat related food for thought - a local thai eating street food and is perfectly fine, I eat thai street food and i spend the next three days in the hotel bathroom floor. is the "cleaner" US environment better than the "dirtier" thai environment? Will living in the US make me live longer? one thing is for sure - In the US, i'm definitely taking probiotic supplements to lead a healthier life style and rely on antibiotics only for serious illnesses where i cannot recover naturally.

P.S.: - avg life expectancy US vs Thailand is not too different... esp after factoring in avg GDP and avg access to health care.
 

Bleigh

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Brief update... Peninsula cabinet is mostly complete and in place. Equipment roughed in. But the glass to finish my tank is floating off the coast of LA waiting for Covid clearance. Probably at least another month before tank arrives. :mad:

IMG_20210128_232941272.jpg
This is looking soooo good!
 

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