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DO NOT BOIL ROCKS!!!!!!!!!!!!!

This is a discussion on DO NOT BOIL ROCKS!!!!!!!!!!!!! within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Originally Posted by SinCrisis interesting, might give that a try then next time i need to clean new rocks. As long as you didn't ...

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DO NOT BOIL ROCKS!!!!!!!!!!!!!
Old 03-28-2011, 03:16 PM   #81
 
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Originally Posted by SinCrisis View Post
interesting, might give that a try then next time i need to clean new rocks.
As long as you didn't dig 'em out of a mud pit and not rinse em off first!
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Old 03-30-2011, 08:20 AM   #82
 
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Sorry, but this thread is kind of silly. Many/most of the references/links in this thread are about rocks in FIRE, not boiling water.
Think of those dinner entrees in boil in bag pouches....that don't explode. You could take an unopened can of soup and heat it up in boiling water, but place that same can on the stove and she's gonna blow!
Boiling water does not transfer enough heat to cause any moisture in a rock (can or pouch) to generate enough steam to burst the 'container'. I'm thinking this myth is busted
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Old 03-30-2011, 10:30 AM   #83
 
Submit to mythbusters!
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Old 04-14-2011, 11:46 PM   #84
 
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Wow, thank you very much for this info. As many know, I am new to the fish hobby (but wont do anything new without reading reviews or getting advice) and this is something that many should know.
Just recently I was looking at some driftwood that I wanted to put in my 75... was a little shocked to see that the pigment would be released into my water and staining the color of the water brown for a YEAR! When there's a will.. there's a way.. and I want that driftwood without brown water!!! So I read that you can boil it for several hours, and changing the water frequently, this process will remove the color that would ultimately be released into your tank. As for the rocks, it doesnt shock me that a boiled rock can explode.. especially one that has many pores.
Depends on type of rock, and what it was used in previously.. or where it was found. As many know.. the weather can be harsh on rocks.. and winter after winter, water freezes and pushes rocks apart.. If water can easily do this when frozen.. it can have the same effect when boiled. The only difference is.. boiling has a much.. sooner result.. lol
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Old 04-15-2011, 06:04 AM   #85
 
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Originally Posted by AbbeysDad View Post
Sorry, but this thread is kind of silly. Many/most of the references/links in this thread are about rocks in FIRE, not boiling water.
Think of those dinner entrees in boil in bag pouches....that don't explode. You could take an unopened can of soup and heat it up in boiling water, but place that same can on the stove and she's gonna blow!
Boiling water does not transfer enough heat to cause any moisture in a rock (can or pouch) to generate enough steam to burst the 'container'. I'm thinking this myth is busted

Maybe a better way to warn people is to just say throw the rocks in the pot when the water is still cold and let them warm up with the water and try to separate them from the metal bottom with a rack or towel and don't toss em into an already boiling pot which 'might' be risky. Not to mention, once those rocks hit the bottom they're being heated more from contact with the metal pot than the water. Rocks don't float last time I checked. The myth is a little more complicated than you presented it! But this isn't rocket science. I don't see why boiling is even necessary anyways. There are plenty of other safe ways to clean rocks or just use precleaned ones to start off with. I think I'd rather soak them in bleach for a few days and then treat then than ruin a pot and mess around with the stove any day. And I'm a homebrewer! lol
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Old 04-20-2011, 07:43 PM   #86
 
A better suggestion would be not to boil rocks at all - stone soup only works in fables!!!
If you need to sterilize, soak in chlorine bleach water, then run through the dishwasher.
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Old 04-20-2011, 08:37 PM   #87
 
Eegads man!!! I just boiled some rocks earlier this week. Thanks for the heads up. The fizzle test thing is good to know too....

-WYRD n Thanx
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Old 07-19-2011, 05:00 AM   #88
 
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Glad I saw this, makes sense but never thought of this before! Thanks dude
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Old 07-25-2011, 07:47 AM   #89
 
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Quote:
Originally Posted by AbbeysDad View Post
Sorry, but this thread is kind of silly. Many/most of the references/links in this thread are about rocks in FIRE, not boiling water.
Think of those dinner entrees in boil in bag pouches....that don't explode. You could take an unopened can of soup and heat it up in boiling water, but place that same can on the stove and she's gonna blow!
Boiling water does not transfer enough heat to cause any moisture in a rock (can or pouch) to generate enough steam to burst the 'container'. I'm thinking this myth is busted

Sorry ,but I think there is some confusion here. It is the heat (flame) that produces the steam along with pressure. And this pressure if not vented, or allowed to escape, WILL cause rupture ,or explosion.
The dinner entree's that you mention and closed can of soup in boiling water if left long enough ,,, will rupture.It is basic principal behind steam boiler's which I have operated for a few year's now.(have license for both low pressure, and high pressure boilers issued by the city inspectors and must take test every two years to get them re-newed)
Have seen firsthand what a safety valve stuck in closed posistion on steam or hot water boiler can do .(it ain't purty). Is why they are mandatory on ALL boilers.
Any liquid will expand as it is heated and if it cannot, or does not vent faster than the liquid expands, the vessel holding the liquid will rupture assuming constant heat is applied.
While I think rocks that are slowly brought to a boil in uncovered pot would probably not be able to hold enough pressure to cause an issue, I think there are much safer alternatives.
To state that boiling water cannot produce enough steam to cause issues to a closed vessel is dangerous belief whether that vessel be a boiler,a bag of veggies,or a can of soup.

Last edited by 1077; 07-25-2011 at 07:53 AM..
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Old 07-25-2011, 09:45 AM   #90
 
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Sorry ,but I think there is some confusion here. It is the heat (flame) that produces the steam along with pressure. And this pressure if not vented, or allowed to escape, WILL cause rupture ,or explosion.
The dinner entree's that you mention and closed can of soup in boiling water if left long enough ,,, will rupture.It is basic principal behind steam boiler's which I have operated for a few year's now.(have license for both low pressure, and high pressure boilers issued by the city inspectors and must take test every two years to get them re-newed)
Have seen firsthand what a safety valve stuck in closed posistion on steam or hot water boiler can do .(it ain't purty). Is why they are mandatory on ALL boilers.
Any liquid will expand as it is heated and if it cannot, or does not vent faster than the liquid expands, the vessel holding the liquid will rupture assuming constant heat is applied.
While I think rocks that are slowly brought to a boil in uncovered pot would probably not be able to hold enough pressure to cause an issue, I think there are much safer alternatives.
To state that boiling water cannot produce enough steam to cause issues to a closed vessel is dangerous belief whether that vessel be a boiler,a bag of veggies,or a can of soup.
You could compare a boiler to a pressure cooker, but not a rock or can in an open pot of water. Yes a boiler, pressure cooker, or hot water tank will explode given high temperature, time and no pressure relief.
Mythbusters have exploded several hot water tanks!
But we are talking about an open pot and the steam escapes easily... The water in the open pot boils at 212deg F and does not transfer enough heat energy into the rock, soup can, or plastic pouch to create enough internal steam to burst.
ALL of the reported cases of exploding rocks were rocks subjected to FIRE - e.g. camp fires or fire pits. Fire (wood burns at 455 deg F) could transfer more than enough heat to cause any internal moisture in the rock to vaporize and potentially burst or explode, but again, this is a very different scenario then a rock in an open pot of boiling water.

STILL, if anyone wants to 'sterilize' rocks, just soak in vinegar or bleach water (as you recommend), or put in a bucket and pour boiling water over and soak - there really is no need to boil rocks.
I'm also convinced that a dishwasher set to high temperature wash, with 2 cups of vinegar will kill any negative organisms on a rocks surface.
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