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Re: Dry/Moated Tank

> If some water got under the the little tank walls, instead of pushing
> up the little tank, would push up the air in the little tank.  I.e.,
> doesn't this just shift the problem from one of potentially bouyant
> glass to potential leakiness?
> Scott H.

First of all the buoyancy issue is settled once you use this approach to
construct the tank/s. No more inner tank floating up, No more Silicone
sealant failure issues related to it being under tension, No more additional
load on the bottom glass due to the silicone sealant preventing the inner
tank from floating etc.,

 The assumptions I made before my posting were- 1) " glue " when referred to
along with water and glass IS Aquarium Grade Silicone sealant and nothing
else, 2)  subscribers to this list have built their own tanks or repaired
their tanks at some point of time, or know how to / have seen it being done,
or have read how it is done - reasonable I presume ?.
As far as leakage of water into the smaller tank is concerned there is as
much probability as there is with your all glass, silicone sealant type
aquariums leaking. Glass + Aquarium grade silicone sealant aquariums have a
life of what 10 + years - I'll have to look up the archives to come up with
a record figure.

If water got in from under the little tank walls - the water from the
aquarium will fill the inner tank until the water level in both the inner
and outer tanks equalise.

Madan Subramanian
Bangalore, India.
madans at hathway_com
madans at satyam_net.in