Tech 7

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09 May 2015 21:10 #1 by irish-zx10r (James feenan)
Is Tech 7 good enough to use to replace a front glass panel on a 3ft fish tank has anyone used better ?
I am reading mixed opinions about Tech 7 even though i used myself on a 4 ft sump bottom glass without any problems.
what's your thoughts any info will be great.

irish-zx10r

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09 May 2015 22:06 #2 by hammie (Neil Hammerton)
Replied by hammie (Neil Hammerton) on topic Tech 7
Some tech 7 is aquarium safe
Some is not

Tech 7 has been used to stick nearly everything for me at 1 stage or another! Even stuck a lads bicycle to a wall with it one day in work out of boredom (funniest thing I've ever seen!!!!!!)

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09 May 2015 22:19 #3 by irish-zx10r (James feenan)
Replied by irish-zx10r (James feenan) on topic Tech 7

hammie wrote: Some tech 7 is aquarium safe
Some is not

Tech 7 has been used to stick nearly everything for me at 1 stage or another! Even stuck a lads bicycle to a wall with it one day in work out of boredom (funniest thing I've ever seen!!!!!!)


lol i can imagine it i used the clear tech 7 with no bother but there is lot more pressure on the front glass i don't want to take chances.

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10 May 2015 05:11 #4 by gunnered72 (Eddy Gunnered)
Replied by gunnered72 (Eddy Gunnered) on topic Tech 7
Which type is aquarium safe neil ?

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10 May 2015 08:08 #5 by JustinK (Justin Kelly)
Replied by JustinK (Justin Kelly) on topic Tech 7
The aquatic safe tube has a fish symbol on it.
I recall it not being suitable for a tank as it doesnt have enough grab as its a polymer and not a silicone ?
It can be used for repairs or patch work but not as the main seal product.
Theres a glazing silicone thats suitable in Woodies.

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10 May 2015 09:55 #6 by paulv (paul vickers)
Replied by paulv (paul vickers) on topic Tech 7
From what I've read on tech7 it remains slightly flexible so the front glass may be able to move a little, better to use aquarium silicone, it's made for the job.

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10 May 2015 10:27 #7 by irish-zx10r (James feenan)
Replied by irish-zx10r (James feenan) on topic Tech 7
What should i get and where can i get it ? there is woodies near to me that's all

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10 May 2015 10:55 #8 by anthonyd (Anthony Debesne)
Replied by anthonyd (Anthony Debesne) on topic Tech 7
Get some aquamate, got mine in Cork but i think handyhardware.ie sells it.

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24 May 2015 16:03 #9 by irish-zx10r (James feenan)
Replied by irish-zx10r (James feenan) on topic Tech 7
Does anyone know where i can get AQUA MATE been looking local and cant find any?
if i get it from handyhardware.ie it will be €14,50 including post
Is there anything else i can order online or from a shop that will post.

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24 May 2015 16:23 #10 by dubdero (derek kearns)
Replied by dubdero (derek kearns) on topic Tech 7
Was on a building site In the boom seen lads hanging radiators with tech 7.cowboy celtic tiger days.

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24 May 2015 17:24 #11 by irish-zx10r (James feenan)
Replied by irish-zx10r (James feenan) on topic Tech 7
do u think the tech 7 will be ok i was getting mixed comments and i want to be safe with it being the front glass on 3ft tank

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24 May 2015 18:09 #12 by JustinK (Justin Kelly)
Replied by JustinK (Justin Kelly) on topic Tech 7
From what I can remember the glazing silicone in woodies has some green colour on it. It also says Dow Corning in small writing somewhere on the back.
It used to say aquarium safe before they changed the writing to cover them on insurance.

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24 May 2015 18:22 #13 by JustinK (Justin Kelly)
Replied by JustinK (Justin Kelly) on topic Tech 7
Geocel (dow corning) frame seal.
The evo stick frame seal prob same.

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24 May 2015 22:08 #14 by alan 64 (alan)
Replied by alan 64 (alan) on topic Tech 7
I think if u used it on the sump and have no problems it should be grand I can't see y it wouldn't work mate I know wurth do a silicone that u can build tanks with but there in ballymount I could prob grab u a tub but I'm not sure how much it would be to post down to u

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25 May 2015 00:07 #15 by irish-zx10r (James feenan)
Replied by irish-zx10r (James feenan) on topic Tech 7

alan 64 wrote: I think if u used it on the sump and have no problems it should be grand I can't see y it wouldn't work mate I know wurth do a silicone that u can build tanks with but there in ballymount I could prob grab u a tub but I'm not sure how much it would be to post down to u


I looked up b&q but didn't see any when I used it in the sump it's the bottom glass so not as much pressure

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25 May 2015 00:34 #16 by alan 64 (alan)
Replied by alan 64 (alan) on topic Tech 7
I would be under the impression tech7 would be stronger than silicone but I'm not certain

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25 May 2015 04:10 #17 by joemc (joe mc)
Replied by joemc (joe mc) on topic Tech 7
forget the tec 7. it will not work to hold a front panel in place go with silicone such as aquamate as mentioned above, i have used tec 7 for lots of different aquarium applications such as sealing a leak from the inside of the tank with the water still in it, but it will not hold a front pane in place.
recently i was switching around a tanks decor for some new fish that i had arriving and removing some of the rocks, caves etc the caves were made from old pill bottles , coated in silicone and rolled in sand and gravel then came across one that i had rolled in tec 7, the sand was mostly gone from it, when i picked it out of the tank the tec 7 had disintegrated and was crumbling away between my fingers, these were around two years in the tank
silicone all the way!

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25 May 2015 09:43 #18 by irish-zx10r (James feenan)
Replied by irish-zx10r (James feenan) on topic Tech 7
Thanks I think I will play safe and wait till I get the right silicone no point using tech 7 then a major disaster

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26 May 2015 17:42 #19 by JustinK (Justin Kelly)
Replied by JustinK (Justin Kelly) on topic Tech 7

JustinK wrote: Geocel (dow corning) frame seal.
The evo stick frame seal prob same.

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10 Dec 2015 10:19 #20 by robert (robert carter)
Replied by robert (robert carter) on topic Tech 7
hi ,as a motor mercanic we use quite a bit of tech 7 , it is a brilliant sealer for gaskets etc being oil and fuel tolerant and has a high temperature range ,it does remain slightly flexible once it hardens so not suitable for replacing glass panels on a tank particully on a big tank . it is completely fish safe this I confirmed with their customer services ,I have used it for sealing on my koi pond plumbing with great results ,one very good feature is this product will set underwater .

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