Pond Shield

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DeathBerserker

Feeder Fish
MFK Member
Mar 26, 2023
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Outside of the overkill and why responses, what is the disadvantage of having a layer of black pond shield covering the back, bottom, and side panels of my used 220? I have already resealed it and did a water test (3 weeks). I already plan on painting the sides and the back black. So why not coat it deep enough (1/4 or more) to cover the seals? Basically, the only seals that have any possibility of leaking will be the front glass seals facing forward along the sides.
 
This is a glass tank I’m assuming?
If it has been resealed with silicone and done properly there is no gain. The disadvantage would be extra work and cost for zero gain.
The silicone is providing the bond and seal if it goes the pond shield will not hold your tank together.
If you plan to paint the tank out for background and sides you can use a latex paint and paint the outside. It would be much cheaper.
 
I have the Pond Shield laying around and figured if the seals are covered with the Pond Shield then the chance of seals being compromised over time would be minimized. Since this is a 22-year-old used tank I was thinking of excessive caution over-optimistic hope. :) And yes this is all glass tank. I suppose you are right and if the seals between the glass panels give then nothing outside of a full teardown will stop the worse chance scenario.
 
This would be worse than useless. Pond Shield does not adhere well to glass and not at all to silicone; I recently had to practically rebuild a DIY tank due to leaks caused by water insinuating itself between the front glass and a few areas where the Pond Shield had extended onto the glass beyond the silicone; each of those spots became a conduit for water to get under the silicone and into the wood structure of the tank. Total mess and almost beyond repair.

On the silicone, I expect the Pond Shield to quickly start peeling away and to look like crap. So you will have created a situation with an ugly aesthetic...which will also conceal and hide areas that are developing into problems which you can now no longer catch by a visual inspection.

If you have Pond Shield "laying around"...the obvious use for it is to build another tank! :)
 
Ive applied pondshield and flexseal liquid to the bottom of tanks for purposes of aesthetics and protecting the bottom glass from abrasion, etc. If you intend to go bare bottom i think a colored pondshield layer is a great alternative to bare glass or acrylic which looks bad imo, well worth the added cost imo especially if the stuff is just lying around waiting to expire..
 
This would be worse than useless. Pond Shield does not adhere well to glass and not at all to silicone; I recently had to practically rebuild a DIY tank due to leaks caused by water insinuating itself between the front glass and a few areas where the Pond Shield had extended onto the glass beyond the silicone; each of those spots became a conduit for water to get under the silicone and into the wood structure of the tank. Total mess and almost beyond repair.

On the silicone, I expect the Pond Shield to quickly start peeling away and to look like crap. So you will have created a situation with an ugly aesthetic...which will also conceal and hide areas that are developing into problems which you can now no longer catch by a visual inspection.

If you have Pond Shield "laying around"...the obvious use for it is to build another tank! :)
thats interesting. because everything i have watched and read makes you believe that silicone likes to stick to pond armor lol. the amount of conflicting information/advice in the fish keeping hobby is overwhelming LOL
 
thats interesting. because everything i have watched and read makes you believe that silicone likes to stick to pond armor lol. the amount of conflicting information/advice in the fish keeping hobby is overwhelming LOL

Silicone applied to cured Pond Shield works like a charm; I have built a number of aquariums where this adhesion alone was the only thing holding the front glass in place, with absolutely no problems.

But Pond Shield applied to cured silicone is not the same thing at all, and this is what you are proposing to do. Once cured, the Pond Shield will peel off in big chunks if exposed to harsh language. It's useless.

Sorry for the confusion, I should have been more specific earlier. :)
 
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