Glass or Acrylic

<a href=showthread.php?s=&postid=12938368#post12938368 target=_blank>Originally posted</a> by mcrist
I keep my acrylic tank cool without a chiller and I needed a chiller for my glass tank. I like the fact my tanks temperature doesnââ"šÂ¬Ã¢"žÂ¢t drop as fast when I have power outages. I lost power once for 8 hours in the winter and my tanks temperature only dropped 5 degrees. My glass tank dropped over 15 degrees but the tank where not the same size so I know that would skews the numbers a little.

Your telling me that you can measure the insulation properties of 3/8"acrylic vs. 3/8" glass in an aquarium? You must have some super hi-tech aerospace thermometer.
 
Do yourself a favor and dont ever buy an acrylic tank! If you look at it wrong it will scratch. I have a 60 cube acrylic and i hate it, its very hard to clean and has scratches all over it and im pretty anal about that stuff. All my tanks from now on will be glass.
 
iv got a acrylic tank and went away for 3 week on holiday, left my tank with my mate. got back and cleaned it with a mag float that is made for acrylic. no scratches. you only get scratches if your careless!!! if your cleaning down by your sand them move it back from the glass then clean and then put it back. all sorted. if your careful and use the right tool for the job then you wont scratch your acrylic tank.

safer, stonger, clearer!!!!!!!!!!!!!!!
 
<a href=showthread.php?s=&postid=12938357#post12938357 target=_blank>Originally posted</a> by Mark426

p.s. you will notice the only ones that say get acrylic are the ones that have one. Called trying too justify a purchase. :)

See what I mean?
 
<a href=showthread.php?s=&postid=12938527#post12938527 target=_blank>Originally posted</a> by animaladam
you only get scratches if your careless!!!
My how I wish this were true! I cleaned mine like Adrian Monk, except even more carefully.

I'd be willing to bet that if you look closely enough you'd see plenty of microscratches on yours. This was my point above: some people are less sensitive to scratches and never look closely enought to see them. But that's a good thing, because once you see them, you'll always see them.
 
And in realted news... new research from CERN, the world's largest particle physics laboratory, has used acrylic to test one aspect of Einstein's theory of General Relativity. The researchers showed that it is possible to scratch acrylic even before the acrylic comes into existence. The research team concluded that the scratches exist perpetually in the time/space continuum, even prior to the manufacturing of the acrylic.

This carries profound implications for our hobby. You know that acrylic tank you plan to buy next year? Well, it's already scratched!
 
if you have " micro scratchs " then they can be buffed out in 2 mins. no probs.

and as for "new research from CERN, the world's largest particle physics laboratory, has used acrylic to test one aspect of Einstein's theory of General Relativity. The researchers showed that it is possible to scratch acrylic even before the acrylic comes into existence. The research team concluded that the scratches exist perpetually in the time/space continuum, even prior to the manufacturing of the acrylic."
dont you think that is takin it abit to far???.
 
<a href=showthread.php?s=&postid=12938656#post12938656 target=_blank>Originally posted</a> by Tang Salad
And in realted news... new research from CERN, the world's largest particle physics laboratory, has used acrylic to test one aspect of Einstein's theory of General Relativity. The researchers showed that it is possible to scratch acrylic even before the acrylic comes into existence. The research team concluded that the scratches exist perpetually in the time/space continuum, even prior to the manufacturing of the acrylic.

This carries profound implications for our hobby. You know that acrylic tank you plan to buy next year? Well, it's already scratched!
lol at the quantum scratch.
 
<a href=showthread.php?s=&postid=12938430#post12938430 target=_blank>Originally posted</a> by Mark426
Your telling me that you can measure the insulation properties of 3/8"acrylic vs. 3/8" glass in an aquarium? You must have some super hi-tech aerospace thermometer.
Nope, I just looked it up. It's amazing what you find when you research it. :D
 
<a href=showthread.php?s=&postid=12938527#post12938527 target=_blank>Originally posted</a> by animaladam
iv got a acrylic tank and went away for 3 week on holiday, left my tank with my mate. got back and cleaned it with a mag float that is made for acrylic. no scratches. you only get scratches if your careless!!! if your cleaning down by your sand them move it back from the glass then clean and then put it back. all sorted. if your careful and use the right tool for the job then you wont scratch your acrylic tank.

safer, stonger, clearer!!!!!!!!!!!!!!!
tip: you can use any magnet with acrylic- simply purchase some acrylic safe pads for it ;)

here's a partial list of some reef animals that can scratch acrylic:
*urchins
*snails
*large hermit crabs


there was/is a thread on RC that showed how corallines grew faster on a piece of acrylic than on a piece of glass in the same aquarium. Anybody that starts up a new reef aquarium knows that coralline will grow on plastic (powerheads, PVC plumbing etc.) long before it starts growing on glass.
 
just cuz iv only been in the hobby 2years dose that make my advise invailed???. corallines only grow on it if you leave it for weeks without cleaning. do you not run a magfloat over your tank?????.
 
Most people here have owned BOTH an acrylic and glass tank... Don't be careless and you won't scratch acrylic to the point of no return...
if you get small light scratches get a buffing kit... You can't do that with glass... and people. GLASS SCRATCHES TOO
 
its not easy... calcium carbonate(sand) is softer than glass, so it wont scratch it. rocks can, but you have to do a pretty good job of it.

in any case, side by side, the scratch will be worse if it were acrylic.
 
gary do you no what type of snails scratch the glass as i have loads of diff types???. i no about the urchins but i have also been told that some will eat silicone in glass tanks.

there are + and - to both its just what you want out of it.
 
There are a number of types of subtidal limpets occasionally available for the coral reef aquarium. Generally, they are not particularly good animals to have in aquaria. Those shallow water forms that graze on algae seem to have a decided tendency to eat coralline algae. These limpets are exceptionally well equipped to eat these algae. They have a radula with teeth made of a mixture of iron salts (primarily hematite) and silica (in the form of opal). This gives them a rasping organ with a value of 7 or 8 on the Mohs scale of mineral hardness. Additionally, the opal is deposited in the teeth as small inclusions that tend to abrade away slightly faster than does the hematite. This turns the tooth into a self-sharpening rasp; the more it is used, the sharper it becomes until the tooth abrades away completely and another replaces it. The limpets possessing such a rasping apparatus can cut through and remove coralline algae like it was butter, and some of them can do the same to acrylic aquarium walls.
http://www.reefkeeping.com/issues/2004-06/rs/index.php

no doubt there are pros and cons to using an acrylic aquarium for a reef display.

another tip: even if you have a glass aquarium the use of acrylic safe pads on your magnet can enhance it's performance and reduce the chances of scratching the glass. The razor scraper attachment on a magnet is great for removing stubborn corallines.
 
<a href=showthread.php?s=&postid=12939912#post12939912 target=_blank>Originally posted</a> by areze
its not easy... calcium carbonate(sand) is softer than glass, so it wont scratch it. rocks can, but you have to do a pretty good job of it.

in any case, side by side, the scratch will be worse if it were acrylic.

funny story.... I've used acrylic for years and years and never really scratched any of them badly. One day I decided to start a 60g glass cube.. get this- the first day I already put a deep gouge in the front! :mad: that's after one tiny sand got in between the scrubber and the glass. That is the part I loathe about glass tanks.. it makes you super lazy when it comes to cleaning your tank but when you scratch it, you will have to live with it for as long as you own the tank. If it was acrylic, I would've buffed it already.

Never again.
nonono.gif
 
there are pros and cons to both as people have stated and everyone's major issue is scratches.
if you keep up with your tank and Coraline algae there isn't a problem

I've had coraline "etch" the side of a glass tank that I didnt clean for several years.
I'm building a large tank now 84LX36WX24T out of 1" acrylic
I'd need a fork lift to move it if it was glass
 
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