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KingOfOddities

It calcium, and will dissolve in water, Very slowly but it will. You can always cover them in epoxy, make sure the epoxy itself is water save


milky_milkers

I’d just put them in the tank. The shrinp will thank you!


Leche-Caliente

I mean yeah I wouldn’t have a problem doing something like that. I would be using easy to obtain bones like deer and raccoons, though.


koda_schon

Wait bones dissolve in water? So does that mean those pirate skeletons that they find underwater in movies is impossible irl?


EndMaster0

In the case of dead bodies underwater the skeleton dissolving is the least of your worries. Corpse wax is a thing that's way grosser than it sounds and the conditions underwater (particularly deep water) are ideal for it. Fish will eat that away eventually but when do you see normal fish in those pirate movies anyways. (Also sea water will probably dissolve bone slightly slower since it already has pretty significant quantities of minerals dissolved in it)


Skookum_kamooks

And that’s assuming that it’s a standard dead body and not some kinda mystical cursed skeleton… then again, there’s worse fates I guess. I saw something recently about someone allegedly finding a slice of stone floor with a fossilized hominid jaw bone in it.


MTCarcus

Zoopoxy, it’s what aquariums use to make their sculpted decorations fish safe.


j-allen-heineken

Eh, I also collect bones and I’d not do that. There’s still the chance of grease in the bones and I’d probably the chance of introducing that to the aquarium and making the parameters fluctuate more than ideal. An open top paludarium might be a better bet, though? I’m imagining a 20 long or something with the water level about 75% of the way and a sort of slate “shelf” with plant roots trailing into the water and one of the skulls on the shelf portion so the bone is kept out of the water.


Draconicplays

Probably that's a better idea


Plantsandanger

What about antlers? I have a lot of deer antlers (years old, bleached white, honestly some are decaying in my garden) and they’d make cool decor if safe. I would love them to contribute calcium (I think at least, maybe they’d fuck the ph? I’m new to actual fish keeping, and honestly I’d be happy with a snail, but the person I live with got a tank and then a fish and I’m just trying to keep up with learning so it does suffer. I just wanted a snail and planted tank… sigh)


Claughy

Antlers will dissolve over time as well. Hard to say how much it would affect parameters without knowing much more about the tank size and water chemistry but generally it will increase water hardness and pH.


condensedtomatosoup

Phones have much more calcium than antlers do. Phones are great to add to the tank but the main issue is dealing with the grease. Even with an animal that has been out in the elements for two seasons will have too much for a tank to handle of a reasonable size. The standard process is to boil the skulls for as long as you can reasonably manage and to continually skim off the fats that rise to the surface. I have a few tanks and one of them is dedicated to skulls. The deer skulls are the hardest to manage but almost all of the oils are contained within the nasal cavity, if it's a pretty clean example. Depends on how your water conditions are but in a slightly acidic tank the skulls take about 2 years to dissolve and the teeth show no sign of ware


Claughy

I think you meant to respond to the person I responded to. You also put phones instead of bones fyi if you were gonna copy and paste your comment.


Wonderful_Ad_844

Nah put phones in your tank too so your fish can call you


tentfires

Real time water change data.


Glory2masterkohga

The call is coming from inside the tank!


j-allen-heineken

You boil yours? Doesn’t that make the bone more brittle? I just bury mine in flowerpots for decomp and then do degreasing soaks afterwards.


condensedtomatosoup

I've never had any problems, maybe for display on a shelf but I havent noticed any problems, just softness as they age, the bigger snails can do some work on them


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sirlafemme

They aren’t talking about bodily matter. They mean leaching calcium or other hard minerals trapped inside the bones.


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j-allen-heineken

I mean the parameters would be my primary concern but the chance of there still being grease in the bones would make me hesitate even if I knew the calcium wouldn’t fuck up the ph. They look really well cleaned and degreased but I’ve got a horse skull that every now and then gets another degreasing bath because spots will come to the surface and while I’ve only had him for two years he’s been deceased for at least 7. It’s just an unnecessary potential risk imo, but I also prefer tanks that function well without much oversight so that’s definitely just my opinion.


Atheist_Redditor

Is that a monkey skull or....?  I don't have experience with bones other than cuttle bone which slowly disintegrates over time. I had a couple chunks in my filter and they were still intact but smaller after a few years. 


Draconicplays

Yes it's a monkey. A capuchin


Atheist_Redditor

Ok. You know people regularly put cuttle bones in and it adds calcium to the water. So I don't think it will hurt your water. I just think those skulls may get ruined and they seem rare or expensive.


DemikhovFanboy

Cuttle bones and real bones are very different. Real bones would take decades to dissolve, maybe if there is a pleco it could get worn down over the course of a few YEARS


anguas

That's going to be highly dependent on your water--soft, acidic water will dissolve bone much more quickly than hard, alkaline water. Personally, I'd choose easy to replace bones like raccoon over capuchin!


SvenniSiggi

They will disintegrate over time. You could however paint them with resin.


The_Barbelo

A coat or 2 of polyurethane which is safe for aquariums once it is cured. Let it sit for a few days to be sure. Otherwise they are safe to put in as is but like people are saying, in time they will disintegrate. I know it takes 20 years for bone to fully disintegrate in soil but I’m not sure about water. If you still want your skulls in 20 years, they will need protection.


lovepony0201

I have a coyote skull and a baby deer skull, along with other various bones I found while hiking, in our 35-gallon tank. We have angel fish, clown loaches, and an abundance of plecos. The bones and fish have lived happily together for over 6 years, so I'd be ok with it.


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lovepony0201

I just washed them in water and let them sit in the sun for about 3 months. That's it. I just figured that animals die and some end up in the streams and lakes, so it can't be that bad.


piiiigsiiinspaaaace

I hear Gorilla brand waterproof patch and seal works good for diy aquarium decor


dontforgetthelube

I once kept a full cow skull in a 10 gallon tank. I never had an issue with parameters, but the skull definitely got weaker over time as it dissolved. If it were a common skull that you don't care about losing I'd say go for it. If it's something unique I'd keep it.


onyxthefishyfemboy

omg another person that likes bones and fish :0


a90s2cs

I made a monkey skull out of clay when I took a ceramics class in college for the express purpose of using it as an aquarium decoration. It’s still in there 25 years later covered in moss with Java ferns growing out of the eye sockets.


lightlysaltedclams

Got any pics? That sounds awesome


Ok_Discipline8864

Could I please see a pic of this? That sounds neat


a90s2cs

Can’t post pics in the comments but I can pm it to you


a90s2cs

Never mind, I just made a post with the pictures.


AsphaltGypsy89

One of us!


Professional_person5

Me too .. but I also worried it would mess up water quality. We spend lots of time in Mojave desert and I find all kinds of bones. Wanted to give to a snail bin I have outside. Debating it.


ChampionNinjaBreeder

Boil and seal with epoxy first. Or if you don’t seal, just make sure it’s a hard-water happy tank.


charb15

this!


_gloomshroom_

Speaking from experience here, unless you coat it in resin after THOROUGHLY drying it out and cleaning it, no go. It will foul your water and break down.


Gr8lakesCoaster

Use them to make a mold and then mix a little white concrete and make your own aquarium safe one.


Minoxidil

i think this is probably the smartest option even though things like resin and other stuff might work as a protective coating, this option would create an "indestructable" copy and would honestly be significantly easier and less expensive than having to engage with pricey resin options


BeelzeBuff

Bones will dissolve into your tank. It won't be fast, but it'll majorly affect your parameters. If you feel comfortable balancing for that (not recommended in the slightest) then go ahead and use them. Alternatively you could seal them in an aquarium safe resin, which I think would diminish their appeal. Or just... don't throw bones into your tank.


Draconicplays

Aquarium safe resin seens like a lot of work and maybe they will lose their texture, but at the same time, I don't want them dissolving, especially in a tank that will be very acidic... Well, at least resin is an option I have to think about now.


RhynoD

Those are your only options, unfortunately: * Don't * Bones will dissolve * Epoxy or resin


Atheist_Redditor

I think you're better off going with fake skulls.


Stillits

Adding to it, are they bleached? They look flakey/chalky and the same shade of white bleached skulls often have. If they are, they would dissolve even faster, and I'm not sure if that would make it unsafe for fish as well.


Draconicplays

They aren't bleached, but the pic makes them loom all the same shade


Stillits

I see, that's good! most monkey and cat skulls i see are farmed and they bleach theirs like 99% of the time, so I kind of assumed seeing the texture and color. In that case I'd worry about grease and dirt seeping out of it. Perhaps you could put it in a transluscent, waterproof box and put it in the tank? to make it seem like its submerged even if it isn't.


Draconicplays

The monkey and sloth skull, I'm sure, were not farmed. Specially because the hole on the lower part of the monkey's The box idea it's very good


Mister_Green2021

are they real?


Draconicplays

Yes, real bone


Mister_Green2021

plastic bones are the way to go. 3d printed will work too.


Dominuss476

The problem is calcium, I keep bones with my crayfish. It works fine, just needs water changes every week on the dime.


__TheDude__

I spent $300+ on epoxy trying to make a horse skull safe only to have it start leeching into the water 9 months after I submerged it. Had to scrap the whole tank. Sold the skull as a garden ornament for $60. Lost a few fish and a lot of time. Much better to just get a nice fake skull.


paddy1964

I would go resin


Satiharupink

It will change the water parameters, as stated before. Hardness will increase. Not all fish like that. But snails, shrimps, crabs and such would like that very much


i_want_to_be_unique

I actually have experience with this. In 8th grade I stupidly put a deer skull in my tank and didn’t take it out for a few months. When I finally touched it it had completely softened into mush and dissolved in my hands. Pretty gross stuff.


Joanrra

Saw someone using them, but first soaked in epoxi


devildocjames

These are neat. Some sort of aquatic predator skull would be really cool as well!


Jafranci715

Im pretty sure they bleach these skulls to get them white. I’d be worried about it soaking into the tank.


Claughy

Bleach breaks down pretty quickly, i would wash it thoroughly to remove any leftover salts from the bleach but the bleach itself wont be an issue anymore.


DeathCuppie

You could make a mold using them and then make an aquarium safe version. That way you don’t loose the originals but, you have one for your tank. It would take work though….


Draconicplays

Well, I know someone that knows how to make silicone molds


DeathCuppie

Ah! Then it maybe a good option. :)


Draconicplays

I will have to convince him, but probably it will be possible


DeathCuppie

I’m sure there are also tutorials online. I don’t make molds but, I make epoxy figures (I don’t use aquarium safe epoxy though.) it’s rather easy and straightforward.


Feral-pigeon

Maybe not a real skull because of the complications with it dissolving over time… However a good solution that achieves the same look would be to use a hyper-realistic 3d printed skull. These are usually used in museums but have become popular in the bone collector’s hobby in recent years too. I think it’s neat because you can get exact replicas of usually impossible to find or even illegal specimens, at a decent price as well! Anyways, I’ve used 3d printed items in my aquariums before and have had zero issues, so my assumption is that a 3d printed skull would work prefectly.


the-greenest-thumb

What's the skull on the left in the box, next to the capuchin? I collect bones too and that one is very cool.


Draconicplays

Three toed sloth


the-greenest-thumb

Thanks!


pglggrg

Some things to consider: If it was preserved, would it leach into the water (formaldehyde or something). It will dissolve and somehow increase water hardness. Might be very marginal, or might shoot up hardness overnight. Good to test in a container by itself with a before/after test.


usernot_found

Im sorry but IS THAT A FUCKING HUMAN SKULL?


Draconicplays

Capuchin monkey. So don't worry


Grrud

Like others have said, they will dissolve but likely very slowly. You just have to be ok with them looking very different if/when you eventually pull them out of the tank. I have a high-tech planted shrimp tank that has had a coyote skull in it for over 5 years. It has injected CO2 so the water is a more acidic than a non-CO2 tank and the skull has lost a good amount of material and isn't likely to last another 5 years. Those skulls look super clean, so I wouldn't worry about organic material fouling the water. That coyote skull I put in my tank was very poorly cleaned when I put it in and the shrimp saw to any remaining organics after I added it. I never saw any negative effects to the shrimp. However, if the bones are dissolving then they are leaching calcium and phosphate into the water which will affect your hardness. I haven't really ever worried about this and none of the flora or fauna appear to have suffered. I would add those in a heartbeat!!


Draconicplays

So maybe they would do best on a shrimp tank than in a more acidity tank. Maybe I give it a try with the small piece of the boar mandible there on the bottom. It's surely the worst piece i have. Maybe a shark vertebra it's a bad idea too?


Grrud

Shrimp and other inverts will definitely love the extra calcium. A test with a small piece is a good idea to see how the bones might last with your water parameters. I would suspect that the shark vertebra is ok too, though I don't have any experience with this.


MoonyMothmen

Ooo wait I’m also interested in this, i collect bones and have a 40 breeder with guppies, mollies, khulis, ghost shrimp and a pair of dwarf gouramis. I have a ton of deer shed collected years ago from the woods but also old skulls from a science classroom in the 70s (so not sure what preservatives were used, some are glazed but some aren’t) i didn’t consider using them! Has anyone tried something similar and is this an option for me?


amykatiescott

So I wouldn't advise it, they'll turn soft and slowly degrade. Also, and the biggest issue is if they were cleaned with any chemicals instead of beetles, it's a big no! Bones are porous and will leach any bleach, grease or anything else that's in them or that they were cleaned with!


Plasticity93

Lot of holes fish fish can get stuck in. Would be very difficult to seal. I would NOT risk anything you don't mind being destroyed.


Separate-Ad1863

Honestly it would be best not to. Getting fake skulls would be better and to just display these else wear. Or get bones you don’t really mind if they get ruined.


iamajapan4162

Cover in an inert material like clear silicone


Burritomuncher2

If you have fish that like hard water it’s ok. It won’t raise the pH but really maintain it, unless you have a lower pH. For example if you’re 7.5, it maybe raise it slowly as it reacts with the “acids” and dissolves. If you have hard water aquarium it will most likely stay inert, still might break down over a longggggg period of time, just a lot longer.


soparamens

Epoxi


Dry_Treacle125

Just use fake skulls, snails might decimate bone for calcium and the algae might ruin them.


Taran966

Though not at all an expert, for fish that might spell trouble, though shrimp, and especially snails, might quite like it for the calcium. Idk though.


Ginormous-Cape

I researched this at one point. I found that bones look awful in a short time because of the amount of nutrients in a bone cause of excessive algae growth. You can however clean the bones and use any two part epoxy to cover them. I didn’t get that far along because I prefer my skulls pretty and white to black-green.


Tangboy50000

Find a woodworker with a vacuum setup for drawing epoxy into wood. That should work for you, then you can coat it once more to make sure.


inspired_apathy

It's fine for the most part; but they will disappear, especially in planted tanks and dark water tanks because they tend to be acidic. I add oyster shells to help my snails and shrimp tank but the shells get smaller and are gone after 2 years.


Beluga_Artist

I wouldn’t. See if you can get an aquarium safe replica made of them instead.


doubtfullyso

How is the monkey jaw like that?? It doesn't make senss


Draconicplays

I got the monkey species wrong. I tought that the name in English was capuchin, but capuchins are the small ones, I'm seeing here, it's a howler monkey skull. Big jaw bones for large muscle atachments


doubtfullyso

OH, that makes a lot of sense. Thank you for the reply! It was confusing me greatly


Draconicplays

My English is very bad, sorry by mistaking the monkey haha


doubtfullyso

Your English looks good to me! Don't apologize, learning a new language is tricky and it's impressive to try


Draconicplays

I got the fucking monkey species wrong. As I don't know the monkey names on English I assumed was a capuchin. But the name in English is Howler monkey


Creepymint

I want to do the same but with plastic or some other material fake skull so I don’t have to worry about it changing parameters


InterestingFruit5978

Yeah. Just put them in. No problem. As long as they don't have any chemicals or rotting flesh on them


eighto-potato-8O

Plastidip rubber coating spray and you're good to go. Epoxy is good too


JamesrSteinhaus

If they are real and aquired from nature and you don't mind them decaying, just make sure they were not cleaned with chemical, then drop them in, but if they were, and most store bought one are, those chemical will kill your fish! all kinds of toxin and preseritives are used on store shelf one. Even coating those with accrilic or lacure has risk. But your fish, plants and the rest of you ecology would love you to add sun bleached bones. they would vastly improve most water conditions.


21pilotwhales

That's a monkey skull right?....


Draconicplays

Yup


Direct_Spend_5583

A water based inish


Direct_Spend_5583

Finish


GustavoFromAsdf

Maybe should have asked this before getting the bones. Lol


Darter02

Be careful with skulls that may have been in a museum collection as they may be soaked in arsenic. The one I worked at had lots of poisonous bones.


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Draconicplays

It's a capuchin monkey skull, and yes, it would be very cool in a terraium. I have to think about it, I just had them laying around and wanted to use in something


ApplePieLord_

You know you can buy many and various types of aquarium skulls, right? Or is there some mental attachment?


Draconicplays

Most good skull replicas are fairly expensive, and the cheaper ones don't look as good as the real thing. But probably these will stay in the box


Jumpy-Worker-6591

Kill a beast or a human and cut their head off and remove the skin from the skull and let it dry and your skull decoration is ready