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View Full Version : Stepping up to a 280 gallon tank build


ScubaSteve826
07/22/2017, 09:54 PM
I have been in this hobby now for 7 years. There has been so many ups and downs killing so many sps coral and fish it is amazing that I am still in this hobby. Started out with what I thought was a tank size that would keep me happy 120 gallon 4X2X2 with a 120 gallon sump in a separate room in my basement also have two 40 gallon 36"X24"X12" frag tanks. I have alway been an equipment junky and love trying different methods of doing things in this hobby and love DIY everything I can.

So a couple months ago I ordered a 280 gallon 6'X36"X24" tank from GlassCages not a real high end tank but is hard to justify a tank from Reef Savey in that size. I am building the stand from 3/4" plywood all sides and top that the tank sits on will be laminated with another layer of 3/4" plywood equaling panels that 1 1/2" thick pictures to come. I have not seen this done this way but should be more then strong enough. This tank will be primarily a SPS tank.

Here are a few pics of the start.

dave.m
07/24/2017, 08:15 AM
There may be a good reason no-one else has built a stand this way. I hope you test it out with an equivalent weight before putting an aquarium on it. Be sure to test for lateral forces.

Dave.M

ScubaSteve826
07/25/2017, 08:39 PM
Then if no one else has built a stand like this maybe they just have not thought it through fully on the strength of plywood which is a lot stronger then conventional lumbar. A couple of pics showing how the top and the back of the stand are put together with overlapping joints which will help distribute the load down to the floor equally between the two laminated pcs of plywood. Also I ordered the tank without overflows. Which I just received two synergy shadow overflows that are rated up to 1600 gallons per hour. Does anyone have this style of overflow? How well do they work over time?

ScubaSteve826
07/25/2017, 08:44 PM
Here are the pics.

ScubaSteve826
08/09/2017, 07:26 PM
Gave our UPS driver a work out today received 120 of figi pink sand and 350 pounds of reel reef rock 2.0 along with a ecotech L1 pump. Can't wait to start aqua scaping just need to get the stand done. Then plan a grill out to get enough friends to help get the tank into the house and down into the basement.

ScubaSteve826
08/09/2017, 07:30 PM
This is my current setup 120 gallon tank and a 120 gallon sump in a separate fish room which at this point is very embarrassing to show. There needs to be so much cleaning and organizing done as this build continues.

ScubaSteve826
08/29/2017, 08:01 PM
Ever so slowly getting closer to having the stand done. Here are a few pics of the progress.

ScubaSteve826
08/29/2017, 08:14 PM
Some new items from Bulk Reef Supply came today. A lot of apex items along with 2 maxspect gyre XF280 pumps. So very excited to start the actual build of this new tank.

Albertan_Reef
08/29/2017, 10:22 PM
My 150 gallon stand is just ply wood like your doing. Half the weight, but still the same concept. Just use lots of glue and screws.

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ScubaSteve826
08/30/2017, 08:44 PM
I am hoping to finish up the majority of the stand this weekend, it ended up being a little heavier then I though but it is way stronger then a conventional 2X4 stand. Just need to finish sanding and put the trim work on then stain and varnish. Doors will be a little bit later in the build.

ca1ore
09/02/2017, 08:22 PM
I built the stand for my current 265 out of laminated plywood 'beams'. I'd point you to the build thread except it's been excoriated by everyone's favorite photo hosting site. You are correct that laminated ply is stronger, and easier to get flat and square, than dimensional lumber, though even the 1 1/2" top will require proper support for a flat bottom tank (cannot recall if GC are rimmed or not) else it will sag. I used a single sheet of ply as my top, but it's supported by a torsion box of laminated 8" beams.

If you bought a new apex, hope it was the 2016 version not the classic.

ScubaSteve826
09/03/2017, 02:58 PM
The tank bottom is braced and been designed to just be supported around the edge of the tank. I however did put a center piece of plywood to support the center of the tank that also goes all the way to the floor. This would not have been possible if i was going to run a sump that was under the stand. As for what will be under the stand is just some electronics along with some dry good storage. Just have a little more trim to put on then the stain and varnish. Hoping to have this done this weekend at least up to the stain anyways.

ScubaSteve826
09/03/2017, 03:11 PM
This tank will be running on the Triton Method hoping that it is true that you can run without water changes. This tank being 280 gallons and 100 plus gallons in the sump and two 40 gallon frag tanks would be expensive doing 20% water changes a week like i am currently doing. The Triton method relies on alge to do a lot of the filtration to work properly. I really did not want to have a refugium in my sump having light filtering into areas that i did not want and having algae growth where i do not want with added maintenance in the sump keeping everything clean. So to remedy this issue i have order the new Pax Bellum ARID C30 algae reactor through Unique Corals. This reactor is suppose to work very well with the Triton method.

ScubaSteve826
09/11/2017, 07:44 PM
Got all the molding on and stained today. Slow but steady progress.

ScubaSteve826
10/26/2017, 08:43 PM
Finally got the tank in the house last Sunday. What a battle first having to remove the window out of the basement to make it so we would not have to carry it down two flights of stairs. Many thanks to the people that helped which all of us have some fairly severe back issues. We had 4 guys tow women and a nine year old boy to get this in the house without breaking it, we maid it in with no major issues. Still have to put the window back in so there is just cardboard covering the window with 3 to 4 inches of snow prededicted for tonight and tomorrow. Now some of the more fun items get to start Yah!!! So here is a couple of pics of the tank on the stand.

Albertan_Reef
10/26/2017, 10:42 PM
Your stand is beautiful. Want to build one for my big tank? Lol. Im good with glass, dirt and fixing cars. But when it comes to wood, lets just say, its not good.

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ScubaSteve826
10/27/2017, 09:42 PM
Thanks Albertan_reef I am good with wood but this stand did take a while with how the joints are done and with everything being double laminated with two sheets of plywood to get the strength that was required. My wife is starting to layout all the real reef rock 2.0 and soon start aqua scraping. This weekend planning on drilling all the holes for the 2 ghost overflows and the returns. Also got marine grade starboard for the bottom of the tank to help protect if a rock would fall onto it.

ScubaSteve826
10/29/2017, 07:09 PM
Unboxed all the real reef rock 2.0 today roughly 300 pounds of it and laid it all out. We have separated it into 2 categories one just general building blocks the other more unique pieces. Now it is up to the wife to start building the scape. The fun is starting to begin hoping by thanksgiving we will have water in it. Lots more to come.

GrampaDon
10/29/2017, 11:36 PM
GC tank are supposed to be supported in the center like a acrylic tank.
With your 1 1/2 ply top it helps. But i would have 3 cross supports running front to back directly under the ply top to help with sag stressing the tank joints. :thumbsup:

ScubaSteve826
10/30/2017, 05:36 PM
There is a full center support that goes to the floor to help support the tank. If you look at the stands that GC advertises for this size tank my stand is over built for a 280 gallon tank.

Bono
10/30/2017, 06:51 PM
I'm thinking about getting a bigger tank soon and have just starting to shop around. How was your experience with GC and how is the fit and finish?

ScubaSteve826
10/30/2017, 07:51 PM
This is my 4th tank from GC they have always had great service. I started with a 120 gallon 48X24X24 tank, then got a 40 gallon frag tank first one got damaged in shipping. They shipped out the replacement 40 gallon frag tank in the following week. Then i got another frag tank cause one is never enough. Then this last tank a 280 gallon 72X36X24. I have been very happy with them there not as nice as a Reef Savvy tank but i also didn't have 6000 to spend on a tank either. The 280 gallon was 2400 with shipping.

ScubaSteve826
10/30/2017, 08:17 PM
Tonight the wife worked on the aqua scape, not sure on the style we are going for yet. I worked on the piping coming out of the ghost overflows. Here are a few pics opinions wanted on the scape.

awaxdee
10/30/2017, 08:47 PM
Going to be nice

ScubaSteve826
11/01/2017, 08:36 PM
Got all the holes drilled in the tank today along with the 3/8 thick spacers to get the ghost overflows at the proper height. We also got the first coat of black paint on the back of the tank, starting to look like something.

Joe0813
11/02/2017, 09:17 AM
id be to afraid trusting nothing but plywood to hold up my tank. looks good though and seemed to work for you. did you treat the ply with anything to keep it from absorbing water?

ScubaSteve826
11/04/2017, 07:40 PM
The tank stand was stained and then had 4 coats of a semi gloss finish. This is the same i had done on my 120 gallon tank stand and that still has no water damage and over the last 7 years it has defiantly have seen its fair share of water. So hoping with this new tank i will have the same luck. There will be 4 water sensors with the Apex system on this tank so in case of water leaking I will be notified be for something turns into a disaster.

ScubaSteve826
11/04/2017, 07:47 PM
Went to Menards today to get some of the plumbing fittings and was very disappointed in the selection of schedual 80 fittings almost nothing in 1 1/2 and very few in 1 inch. Anyone know of a good place online that is reasonably priced with a good selection? So all that got done today is i installed the 2 Synergy ghost over flows and the 2 water returns with the flow inductors. I have never tried the flow inductors will so how they work. Also cut the starboard for the bottom of the tank, it is starting to take shape. In the pics you cant even see the over flows it is almost like they are a ghost, lol.

ScubaSteve826
11/11/2017, 05:23 PM
Quick update working a little more on the aqua scape and plumbing.

ScubaSteve826
11/11/2017, 05:52 PM
Trying to decide on the main pump for the 280 gallon system. This going to be a Triton Tank which calls for 10 times turnover. There are three pumps that i have been looking at first on is an L1 from ecotech marine which i have one already running my UV, GFO, and carbon, been fairly happy with it and has a decent price. The bad thing is i have been seeing some bad reviews on it and has been out of stock now for months at bulk reef supply. The second pump is the dart/snapper pump from reeflo never had one but seems to have good reviews and last along time and at a cheap price. The third pump is the abyzz 200 dc control pump, very expensive, gives opportunity to change flow through the day lower flow at night. Does anyone have good info on these pumps would love to here other peoples likes dislikes of these pumps. Hoping to order on Black Friday deals in a few weeks. Thanks in advance for your input.

ScubaSteve826
11/26/2017, 02:48 PM
Well since my last post my ecotech L1 pump died. I had for just less then six months and i had bought through Bulk Reef Supply. I had called BRS about the pump selection for my new tank build and discussed all three choices i had. They were very helpful and even started the return process for me to return the L1 to ecotech. Ecotech was very quick with there response and have a new pump in my hands already in less then one week. Even though i was very happy with the service of both BRS and Ecotech I could not trust the L1 as a main return pump. I chose the Reeflo dart/snapper gold pump which has pretty good reviews, maybe sometime i will upgrade to the Abyzz pump. I went with two of the dart/snapper pumps planning on running one with the dart propeller 4300 gallons per hour during the day and the other with the snapper propeller 2400 gallons at night time. Here is a few pics of the plumping so far. Right now my sump room is such a mess but it will get better.