10-05-2005, 20:32
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#1
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cf.mega poster
Join Date: Jun 2003
Location: Milling around Milton Keynes
Age: 31
Posts: 11,666
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Fishtank help needed
My dad's got himself a huge new fish tank.
It's got a large rock formation made from sponge.
Problem is, when he fills it with water, the sponge just floats.
He's tried squeezing it as much as he can to get the air out but it still floats off from the bottom.
Anyone got experience with this sort of thing and advice?
He's now emptied the tank and removed all the gravel, planning to let it dry out and glue the sponge to the bottom, but there must be a better way, surely?
Help!
__________________
When I was younger I used to pray for a bike.
Then I realised god doesn't work like that, so I stole a bike and prayed for forgiveness.
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10-05-2005, 20:42
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#2
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Rather fruity
Join Date: Jun 2003
Posts: 6,044
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Re: Fishtank help needed
Buy real rock!!
Sorry, but I've never heard of sponge rocks, is it for display?
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10-05-2005, 20:42
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#3
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Google it!!
Join Date: Jun 2003
Location: Essex
Age: 34
Services: Sky Digital + 16Mb ADSL
BT Telephone
Posts: 14,955
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Re: Fishtank help needed
Quote:
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Originally Posted by Xaccers
My dad's got himself a huge new fish tank.
It's got a large rock formation made from sponge.
Problem is, when he fills it with water, the sponge just floats.
He's tried squeezing it as much as he can to get the air out but it still floats off from the bottom.
Anyone got experience with this sort of thing and advice?
He's now emptied the tank and removed all the gravel, planning to let it dry out and glue the sponge to the bottom, but there must be a better way, surely?
Help!
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Fish line with non-lead weights? Can you cut the sponge and insert a pebble of something into it to weigh it down?
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10-05-2005, 20:52
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#4
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Permanently Banned
Join Date: Mar 2005
Location: Barry Island
Age: 33
Services: whats that??
Posts: 1,731
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Re: Fishtank help needed
I thought they were only for display as well?
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10-05-2005, 20:57
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#5
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Google it!!
Join Date: Jun 2003
Location: Essex
Age: 34
Services: Sky Digital + 16Mb ADSL
BT Telephone
Posts: 14,955
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Re: Fishtank help needed
Just a thought but what sort of glue will he use to glue a natural material to glass (that won't kill the fish!!)?
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10-05-2005, 20:59
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#6
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Cable Forum Team
Join Date: Feb 2004
Location: /root/
Age: 31
Services: netstat -tula > /home/raistlin/netstat.txt
Posts: 8,176
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Re: Fishtank help needed
Could he nail it down?
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Formerly known as 'Raistlin'
Pausing Live TV and Eating Wotsits
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10-05-2005, 21:00
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#7
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There Are No Posts Here..
Join Date: Jun 2003
Age: 34
Services: Nowt.
Posts: 1,801
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Re: Fishtank help needed
Quote:
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Originally Posted by Raistlin
Could he nail it down?
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to glass?
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10-05-2005, 21:03
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#8
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cf.mega poster
Join Date: Jun 2003
Location: Milling around Milton Keynes
Age: 31
Posts: 11,666
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Re: Fishtank help needed
Quote:
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Originally Posted by Paul
Just a thought but what sort of glue will he use to glue a natural material to glass (that won't kill the fish!!)?
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He's thinking of using the same stuff they use to put a tank together
__________________
When I was younger I used to pray for a bike.
Then I realised god doesn't work like that, so I stole a bike and prayed for forgiveness.
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10-05-2005, 21:04
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#9
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Link King
Join Date: Jul 2004
Location: Manchester
Posts: 1,528
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Re: Fishtank help needed
Yeah you'll need to use aquarium silicon. You can use lead weights (maybe nick the ones you get with your plants)
What type of fish is he planning on keeping?
+ Whats the tank size?
Does he know he has to cycle the tank before adding all his fish n that?
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10-05-2005, 21:18
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#10
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cf.mega poster
Join Date: Jun 2003
Location: Milling around Milton Keynes
Age: 31
Posts: 11,666
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Re: Fishtank help needed
Quote:
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Originally Posted by Kliro
Yeah you'll need to use aquarium silicon. You can use lead weights (maybe nick the ones you get with your plants)
What type of fish is he planning on keeping?
+ Whats the tank size?
Does he know he has to cycle the tank before adding all his fish n that?
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Well, about a month or so ago, they got a spherical tank (18inches of fish capacity), they've got some neons and others which I can't for the life of me remember what, but they seem to be loving the tank so much they're breeding like crazy!
So they've now got this cuboid tank, about 1.5m x .8m x .6m
He knows he's got to cycle and prepare the tank etc before transferring the fish.
He's just hit this stumbling block of the rock formation (I'll have to take pics) because he can't get it to sink.
Will tell him to go back to the shop and get some aqaurium silicon 
__________________
When I was younger I used to pray for a bike.
Then I realised god doesn't work like that, so I stole a bike and prayed for forgiveness.
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10-05-2005, 21:52
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#11
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cf.geek
Join Date: Nov 2003
Location: Surrey
Posts: 981
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Re: Fishtank help needed
Let the sponge float and pretend it's the Sargasso sea
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Sir Eyre Massey-Shaw
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10-05-2005, 22:15
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#12
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cf.mega poster
Join Date: Jun 2003
Location: London
Posts: 2,907
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Re: Fishtank help needed
Try the choux bun technique. Slice the top off, scoop out a little of the inside, add something heavy but non-corrodible - plaster of paris perhaps - and cement the top back on.
EDIT In fact, if you pour in the plaster of paris then put the top back on, the plaster of paris could well act as a cement.
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All Italy at last called Theodoric its lord.
Jordanes
Getica
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10-05-2005, 22:19
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#13
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cf.addict
Join Date: Feb 2004
Location: Glasgow
Services: Sky HD Multiroom, Virgin 20MB Broadband, Virgin Talk Unlimited
Posts: 307
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Re: Fishtank help needed
Cant you just use the small weights you get for plants or something similar?
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10-05-2005, 22:37
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#14
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cf.addict
Join Date: Dec 2003
Posts: 472
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Re: Fishtank help needed
Quote:
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but they seem to be loving the tank so much they're breeding like crazy!
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Thats Guppy's for you !
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10-05-2005, 22:41
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#15
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stringy
Join Date: Jun 2003
Location: Cleethorpes
Age: 55
Services: VM XLplus
Posts: 15,493
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Re: Fishtank help needed
Quote:
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Originally Posted by Shaun
Buy real rock!!
Sorry, but I've never heard of sponge rocks, is it for display?
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it doesn't even work as a slogan - 'sponge rocks' - how many t shirts can you sell? 
What you need is a vacuum - suck all the air out of the sponge, wrap it in something airtight, put it underwater, remove the wrapper - it should stay sunk 
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Gaz
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