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Journal The 90 Gallon High Tech Newt Tank

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Hello folks!

This is my first journal on the forum though I've been active on TPT and some other venues online for a few years now. Having just found this place, it's the perfect time to post a journal on a tank I am just starting up!

I recently decided to consolidate 5 smaller tanks into one large tank. This gives me significantly more real estate to aquascape while simultaneously lowering my maintenance routine. I frankly much rather do one water change on a big tank then 5 much smaller water changes on different tanks, even if they are all in the same room.

When it came time to decide on which tank to use exactly, I was of two minds. On the one hand, a regular 75 gallon tank would likely do the trick, but the 'perfect' tank would be a 150cm tank as it would fit the available space. But a 150 cm tank would cost a lot more..... in the end The Wife gave a green light and I contacted "Aquarium and Terrarium Builder" of Yorktown Virginia, my only 'local' custom tank builder. The builder only works with acrylic, but for reasons that will be explained, that's not a bad thing.

Since this was a custom tank, I was not limited to standard dimensions and asked for a tank that would be 150cm x 50cm x 45cm. Or roughly 60 inches x 20 inches x 18 inches. Or roughly 90 gallons. Why these dimensions? Well the 150 for the length fit the available room. 20 inches wide because any wider and my short arms have trouble reaching the back wall, and 18 inches high in part for the same access issues and in part because I already had a tank 45 cm high and I knew the newts did fine in that depth of water.

The builder quoted me 1000 dollars for the tank and I would pick it up.

The first thing I needed to do after ordering the tank was build a stand so I would have somewhere to put the darn thing :P

At this point I don't remember what got me started on extruded aluminum, but I got a bug for making the stand out of the stuff. For those who are not aware, extruded aluminum is aluminum tubing with 't'-slots cut into it. It looks like this:

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The advantage of this stuff is that you can use the t-slots to attach things, it's strong, it looks slick, and its waterproof. Even after building it, I still prefer a proper stand made of hardwood. BUT, an extruded aluminum stand is pretty easy to make better looking then a 2x4 stand. And significantly faster to build then a hardwood stand. So there is that.

Anyway, like all my bits of furniture, I make, the first step was making a 3d drawing in sketchup so I would know how to put the thing together. That looked like this:

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The wood panels are meant to be doors in this picture.

I definitely did not invent this design as there are companies that offer to sell you precut and drilled extruded aluminum stands. The only reason I didn't go with them is expense. I wanted to try and save myself some money by buying the extruded aluminum and then cutting, tapping, and drilling it myself. I did this, and did save some money, just not as much as I was hoping. I thought I could do it all for around 300 dollars, but sadly the actual price of the stand all-in is closer to 700. That's still a lot cheaper then the 1500 to 2500 that various companies wanted, but not quite as good as I thought I was going to get for all the effort I put into tapping this darn critter.

Anyway, here are some pictures of the stand being built:

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Not pictured here are the magnetic clasps the side panels are held onto. They are not pictured because I forgot to add them until after it was built. One of the downsides to extruded aluminum is that in order to access those t-slots where 'everything' is attached, is you need an exposed end. If you build the darn thing and forgot to add something in....like a magnetic clasp... then you get the joy of taking it apart before you can add it back on.

So that was fun. And because I forgot to add a few things I got the joy of taking it apart and putting it back together like 5 times... :P

Anyway, after a few weeks the builder contacted me letting me know the tank was ready!

There was much excitement.

There was also much driving. While this is my only 'local' builder, that didn't make him super close. It was 3.5 hours each way to get from my house in Maryland to the builder. That made for a long day of driving, but it was totally worth it.

One of the nice things about acrylic is that its significantly lighter then glass. This 5 foot long tank probably only weighs around 90 lbs. With a hand truck I was easily able to get the tank into my basement by myself. Here is how it looked when first arrived:

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And here are what those magnetic clasps looked like on the stand:

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And finally what the tank looked like unwrapped and in place:

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The white board under the tank are two pieces of pvc trim-board. I wanted to use pvc because its completely waterproof. It's two pieces because I couldn't fit a 4x8 sheet in my car and home depot no longer cuts the stuff with their panel saw. I am still only mostly bitter on that discovery. :P

After that I started the process of taking down my multiple smaller tanks. In order to significantly shorten my cycle, I reused the substrate (all pool filter sand) and added it into the new tank. I also drilled 4 holes in the euro bracing so I could use 2 canister filters with lily pipes. Here is what that looked like:

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Before I could slide the tank into place I needed to put on the background. I really like privacy window film for tank backgrounds. It's cheap, it looks good, it's easy to apply and to remove, and it's easy to get online. For this tank I decided on frosted white. This stuff goes on with just water and a squeegee. Here is how it looked:

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After that I slid the tank into place, filled it and started working on the filters and plumbing. It's not very complicated but I wanted to make sure it would be in good shape for the foreseeable future. The canister filters are stainless steel filters with dc pumps. I love this type of filter because the steel filter itself is built like a tank, and the only part that can break is the pump which is entirely modular and easily replaced. DC pumps are ultra quiet, like you need to touch them to feel a vibration to even know they are on kind of quiet. I already owned both filters and they were in active use on the tanks I took down, so again, more reasons to believe the cycle would be quick.

I also took this time and began to play with aquascapes. Because I had so much room, I really wanted to use some big pieces of hardscape to show off the length of the tank. That ended up taking the form of two large pieces of wood that would stretch the length. Initial scape looked like this:

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However, after a day I decided I didn't like the right hand side because it just didn't photograph well :P So I switched it up and settled on this:

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I like the look of the 'broken' log in no small part because it reminded me of several scenes I have seen when out walking in parks. All the rock work will allow lots of places to add epiphytes as well.

All the plants in the tank are all from the existing tanks I took down so, so far I haven't spent anything on this except for the tank itself and the stand (and the light... to be talked about later).

The plant list for this tank is currently: Cryptocoryne spiralis, eriocaulon vietnam, amazon sword compacta, Cryptocoryne parva, tiger lily, anubias nana petite, and some species of fern like moss, and some species of plant I was told was 'like buce' but not, and that I totally forgot the name of. But its variegated which is cool for a completely submersed plant. Still to add is Marsilea Angustifolia for a carpet, Helvola Pygmy water lilies, and mayaca fluviatilis. Those are all in my 30 gallon tank with all my newts. I will be taking that tank down shortly and adding the newts once I'm sure the cycle is done (this will be soon, as the cycle is likely already completed as of the writing of this post).

Regarding the background, I didn't choose it entirely because I like the color white for this tank. I chose it because I planned to add some LED mood lighting to the tank :P

For a couple of years now I have admired the LED backgrounds you can buy for tanks, but I've not wanted to spend the money they cost (typically a few hundred dollars for even a small tank). So I decided to make my own. With an LED strip light adhered to the back top of the stand I got some nice effects! You can kind of notice the blue in the full tank shots near the bottom back of the tank. It's a little more noticeable in person. Here is a picture with the other lights off in the room which really makes it clear what it's doing:

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Meanwhile I also started working on the lights for this tank. Well more specifically the light hanging system which is just 1/2" conduit attached to the wall:

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That ended up definitely being the easiest light stand I've made so far. As for what will be going there? Well I went ahead and ordered a Twinstar V 1200S which I'm pretty excited about! I've been a twinstar fanboy for years, so when I figured out that there are very very very few 150cm lights... I decided my best bet was just buying a twinstar and hanging it up a bit higher then normal. Sadly it's not here yet. Happily it 'should' arrive on Wednesday.

AND.. that brings me to current. This is a LONG first post because I decided to combine several previous journal posts elsewhere to get me to where I'm at right now. Next time I will post more about the newts and my thoughts on acrylic tanks. Hopefully those that actually read to this point have enjoyed it so far :)
 
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This is awesome. I've been considering building a T-slot stand for my Waterbox 4820. I really like the strength to weight ratio. Moving heavy wood stands around when your older isn't very fun.
It didn't come with their t-slot? Mine did. It was the reaosn I went Waterbox though I now wish I had gotten a 120U UNS.
 
It didn't come with their t-slot? Mine did. It was the reaosn I went Waterbox though I now wish I had gotten a 120U UNS.
I only bought the tank. Waterbox, like other aquarium sellers, want too much for their stands. I did get the t-slot stand with my 3620 but I think I can build a better one for less than what they charge. There are deals on Marketplace for the t-slot.
 
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This is awesome. I've been considering building a T-slot stand for my Waterbox 4820. I really like the strength to weight ratio. Moving heavy wood stands around when your older isn't very fun.

If you are willing to drill and tap the ends then its very doable. If you are not willing to do that then there are companies like Alufab that will do the mill work for you, but the cost increases to around 1000 dollars most likely before you add any panels to the critter. I found it pretty hard to get the price down below around 700 even shopping for deals.
 
If you are willing to drill and tap the ends then its very doable. If you are not willing to do that then there are companies like Alufab that will do the mill work for you, but the cost increases to around 1000 dollars most likely before you add any panels to the critter. I found it pretty hard to get the price down below around 700 even shopping for deals.
Yeah, I'm willing to do the work. The biggest issue is, of course, having too many projects on the to-do list and not enough time. Retirement is calling louder and louder every day ;) . I've estimated the T-slot alone, even buying off marketplace, might be 2 - 3 hundred and then the hardware. I looked at Alufab some time ago and balked at their prices as well. Also, I still prefer hinged doors and I know there is a hinge made for t-slot. Would be nice to see your hardware list.
 
And now, a word about newts.

I didn't go into it last time because the post was already quite long. But this tank is not a fish tank. Or at least, not just a fish tank. This here is a newt tank. And there are a few setup requirements for a newt tank that are different then a purely fish tank.

For one thing, newts can climb glass. Not well, not like a gecko, but well enough to escape a tank without a lid. The way they accomplish it is by smooshing their body against the glass and through basically suction from their wet bodies against the smooth glass they can kinda very slowly wiggle their way up the sidewall of a tank. They cannot however go upside down. So if you have a ledge a few inches wide that goes all the way around with no gaps big enough for a newt head to fit through, then you are good to go. That means its possible to have a lid like a big ol donut that is open in the middle. That makes maintenance, feeding, and cooling a newt tank a LOT easier then if you had a full lid.

For years I have been making lids for my newt tanks out of wood. Here is one example:

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They always worked quite well but it was not lost on me that if any of my tanks had euro bracing, I wouldn't need to make a lid at all.

Enter the acrylic tank with its requirement of euro bracing and you can see why I wasn't at all upset about it.

In addition to a lid (or ledge of some kind), newts need cold water. Something in the 60s F is required. Some people do wacky things like try to force their newts to go terrestrial in the winter, but generally if you keep your water in the 60s year round you will be fine.

Newts also don't like a lot of flow in their tanks. Most people keep them with sponge filters because they use a mesh top and it's easy to poke an airline tube through the mesh. The sponge filters are of course ultra low flow so that works out. Newts have a behavior where they like to float at the surface and if there is a lot of flow there, they won't be able to float, but instead get pushed around. This is why I have 2 filters in my tanks instead of just one. Each filter has a pretty small pump for a 90 gallon tank. The idea was to create more flow that is slow moving. So far it's working pretty good though I might change up one of my lily pipes to make even less flow at the surface.

Regarding the online newt community, well it's pretty hardcore conservative when it comes to animal care, especially in the USA. You see the USA up until 2016 imported newts from other countries and those newts were generally wild caught. However in 2016 the importation of newts into the USA became illegal. This is why you used to see newts in pet stores but now they are pretty much impossible to find. Impossible to find unless you run into a breeder. That's because today all the newts being sold in the USA are bred by hobbyists like yours truly. Or at least all the newts from non native species.

And that brings me to my newts. I have 5 species of newts. Alpine Newts, Kaiser Newts, Emperor Newts, Pygmy Marbled Newts, and Bluetail Firebelly Newts.

The only newts I've gotten to breed for me are my alpine newts and the kaiser newts. The rest either haven't yet because they are too young or because conditions have not been right for them.

Best practices for newt keeping online is... a bit all over the place. Like I said, many of them are ultra conservative in their animal handling to the point where some of them don't believe dechlorinater should be used because it's a chemical. Some don't do water changes because they are worried about unbalancing their tank. Some only do bare bottom because they are afraid of substrate. Etc etc.

When I first started keeping newts I paid close attention to all of this stuff but quickly realized that most of it was frankly, rambling nonsense of the ultra paranoid. Instead I found people that were successfully keeping newts with plants, with fish, with substrate, etc etc, and followed their example.

I am now one of the only people who keep newts in a high tech tank. Not because it's hard to do so, but simply because most people don't bother trying anything beyond the most paranoid of simple setups. I on the other hand keep my newts in lushly planted tanks with co2 injection, liquid fertilizers, and regular large water changes. It's been working quite well for me with my alpine newts breeding for me every year and last year the Kaiser newts bred as well, though I didn't realize it until I found a pretty good sized juvenile in the tank.

And that brings me to this new tank. I am combining all of my newts into one tank. The main reasons for this is maintenance, enjoyment, and ease of care. One big tank is just a lot easier to keep then lots of little tanks. BUT, its generally not done when it comes to multiple species of newts because.... again people are a bit paranoid about it. Not entirely without good reason as there are species of newts known to be aggressive with other species. Fortunately, none of my newts are known to be aggressive and at least 2 of my newt species have ranges that overlap in the wild. So there is that. Anyway, this is all by way of saying that its a bit of an experiment. One I have been running in a smaller tank for a couple of months and it has been going well. But its still an experiment so I will need to watch it closely.

All that said, the tank is coming along quite nicely. A few days ago my cycle finished up:

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I wasn't surprised it went so quickly when the substrate and filters are being reused, but its still nice to have it confirmed.

For co2 in this tank I will be used a rex griggs style reactor with a bypass. I actually had built one for a MUCH MUCH smaller tank that never got used. So I decided to put it on this tank and see how it would go. I am not planning to push more then 1 or 2 bubbles per second so it might work even though it's quite tiny. Here is how that looks:

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And that's where I'll leave it for today. Next time I update it will be with the newts moved over and the new light in place!
 
Update!

With the tank cycled I did go ahead and move in all the newts and fish. The tank is very active at this point. Which made this next bit of news quite welcome.

Might twinstar came in!

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I don't know why, but I didn't realize it was going to be as wide as it ended up being. Its the widest bar light I own by a good margin. Mind you I don't mean long, I mean wide. Also, the hanging solution for the light is extremely elegant. I still need to better control the power cord, but otherwise it went over the tank quite nicely.

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I never had any doubts in my mind about how nice this light would be. BUT, if I had any, the second it turned on those doubts would have been banished. This light really makes the colors in the tank pop.

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I did move around a few plants to make sure they were going to get good exposure to the light and also for general aesthetics. And I still need to move in a few more plants from my 30 gallon. But its honestly pretty close to it's final form at this point.

Additionally I am happy to report that all the different species of newts hasn't slowed my alpine newts down when it comes to breeding.

Here you can see my yarn spawning mop. The weird bent pieces of yarn in the middle-right side are bent that way because the female alpine newt laid an egg and folded the yarn around it.

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So that's one worry dispelled.

I tried taking some closeups of the newts with my phone but honestly, the quality is awful, so later on I will get out my real camera and try again.
 
What do you feed these guys?
And how do you keep the temperature cool enough, do you have a chiller? Amazing photos!
Thank you!

The pygmy, alpine, and kaiser newts will eat pellets (frequently sold as axolotl food). But the blue tail and emperor newts refuse pellet so I also feed frozen bloodworms, frozen mysis, live blackworm, and live chopped earth worm (sometimes dug up from the back yard or cultured in my worm farm)

As for cooling, it's easier than you think. A fan blowing on the waters surface can lower the tank temperature by up to 6 degrees below room ambient. It does speed up evaporation. But with just that (plus my house having AC and is kept at 72 degrees), I have no trouble keeping the tank in the 60s.
 
I love the high-tech surface skimmer, and awesome pictures of the newts. Do you still have the neotenic one?
Thanky! The neotenic one was sold a year or so ago to someone who was pretty fascinated with her.

So it appears you have a lid, but it has large cutouts. Do the newts try to climb out?

They can climb glass that is straight up and down so you do need a lid. But they can't go upside down, so the ledge that the euro bracing provides will keep them in the tank.
 
Yeah, I'm willing to do the work. The biggest issue is, of course, having too many projects on the to-do list and not enough time. Retirement is calling louder and louder every day ;) . I've estimated the T-slot alone, even buying off marketplace, might be 2 - 3 hundred and then the hardware. I looked at Alufab some time ago and balked at their prices as well. Also, I still prefer hinged doors and I know there is a hinge made for t-slot. Would be nice to see your hardware list.
I just realized I never responded to this, sorry about that.

My hardware list is somewhat boring, and surprisingly, ever expanding!

I have internal corner brackets:

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corner brackets:

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screws for the standard connection:

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Magnetic catches:

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Threaded leveling feet:

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T-Nuts:

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And most recently, I bought some roll in nuts:

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These last can be added after the darn thing is assembled and I plan to use them to add additional bracing to the back for peace of mind.
 
We don’t have newts here in Australia (I don’t think so anyway!), I thought they were fictional creatures 😂
They are very cute, I wish we could get them here! The closest we have are axolotls.
Just looking it up now, apparently, Australia has at least one known invasive newt species (smooth newt), but it's not legal to catch them. New Zealand I know has Alpine newts as an invasive population. Australia has pretty strict laws regarding newts, but weirdly not axolotls. I say weirdly because the care and environment for the two are essentially identical, so whatever concern for one should certainly apply to the other. /shrug I gave up years ago trying to convince anyone in the legislative field to make reasonable regulation concerning amphibians. Newts are neither a dog nor a cat, so trying to convince anyone of the validity of applying normal pet protections to them will never penetrate the general public consciousness.

They are really fun and derpy critters to keep in an aquarium though.
 

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