Can U use big plastic tub as my sump - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 03-19-2008, 03:58 AM Thread Starter
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Can U use big plastic tub as my sump

Hi there,

I was wondering if I can use a big plastic tub as my sump? with the price of glass even second hand I was wondering if this can be a successful option? also can I paint pvc black using (if it exists) aquarium safe paint?

Regards Darren
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post #2 of 6 (permalink) Old 03-19-2008, 04:07 AM
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yes, although adhesives for plastic containers are hard to find (good ones) try loc tite 1 minute epoxy. it says not for prolonged underwater use but it has worked for me


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post #3 of 6 (permalink) Old 03-19-2008, 04:30 AM
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Perhaps you might find this useful, I thought it was an interesting idea. Even if it doesn't suit your needs, it could easily be adapted and it is very cost effective.

http://www.cichlid-forum.com/articles/diy_wet_dry.php
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post #4 of 6 (permalink) Old 03-19-2008, 04:36 AM
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There really isn't any adhesive that will bond to polyethylene, that's what most of the cheap plastic tubs are made of, it's also what the container that holds most adhesives is made of. I've seen plenty of sumps built that didn't need anything glued to the tank though. I'd go for it, but consider creep, the phenomenon that occurs when a load is placed on an object for an extended period of time, as the name suggests the material will begin to creep, or deform under the load slowly. Normally creep is only an issue at elevated temperatures, but with plastics it happens at room temperature. I've seen people solve the problem with solutions ranging from sticking the tote in another tote for reinforcement to building a frame around the tote to keep the sides from bowing under the weight of the water.
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post #5 of 6 (permalink) Old 03-19-2008, 08:24 AM
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3M 4693 will bond to polyethylene:

http://www.hillas.com/Products/3M_Pl...M_4693H_TU.asp

'wonderful stuff to solve tough problems. I use it to glue pipes to those 5 gallon poly buckets.
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post #6 of 6 (permalink) Old 03-19-2008, 02:47 PM Thread Starter
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thought I could avoud the bowing/streching with those diy self fastners like on semi trailers (to hold the load down) made from seat belt material tell me does it matter the thickness of glass inside the sump?
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