Marc there is a reefer on wildreef.com named Tw1ggy that has a 700 gal he is getting rid of. He lives in Dallas. He said that the bottom glass was cracked by the shipping company but they fixed it with a piece glued over the crack.
sucks melev that you have to tear down you 400g. i hope everything goes well when moving your livestock into the new tank. and i think using your existing sump is a good idea. that will minimize some of the changes in water chemistry
wow. so many have just left when disaster strikes. My hat is off to you, if only for a few seconds!
Marc, if you need to use my skimmer and maybe the sump you are going to build for me to make things work for your temp setup, be my guest ok.
Marc, I can't print what my reaction was to seeing this. I hoped for a second an old blog had been bumped. Phil
Thanks for hanging out for a while, Ken. It's always great to catch up with you. Still hoping you'll opt to join us at MACNA and make it a fun vacation!
It was good to see you again Marc! Sorry I couldn't be there on Sunday for your presentation, but Saturday was cool to catch up again.
probably angel eggs, they knew of your plot to remove them and decided to fight the power!
My Chromis usually lay clutch's on flat surfaces, never seen them lay eggs like that.
Updates? I know your out here at MAX, I couldn't imagine leaving your tank behind with that kind of trouble.
Ill be there family and all.
Really does look like the acrylic "wall" expanded and stress the seam. I wonder what grade of acrylic was used.
blennyman, I am well aware of the mathematics in stress analysis of static or dynamic loads. My concern has to do with adhesion and micro bubbles in silicone.
agsansoo, the reason big tanks are often made of acrylic is because it is more visually appealing to use clear acrylic instead of green tinted thick glass. The pressure on a bead of silicone is only related to the depth of water behind it. A dam designer doesn't have to know how long the reservoir will be, only the water depth and span of a canyon when calculating the necessary thickness of the dam. It makes sense too: if you went to sea world and they sprung the same sized leak on Shamu's tank a foot below the surface, the water would come out at the same rate - implying the same water pressure. It wouldn't explode out with the force of a bomb or something. The glass is thicker because it holds the sum of the pressure (think integral) and braces that bear the real load are fewer between. In short, glass needs to scale with tank volume (sort of), but silicone only has to scale with tank depth - and most tanks are under 2.5 ft. in depth unless you're getting crazy. Silicone robustness probably isn't justification to go to acrylic as your tank gets larger - all other things being equal.
Lucky you weren't at MAX when this happened ! I know I brought this up when you were planning this tank ... How about a new acrylic tank (if Marineland doesn't step up). There's a reason most large tanks are made of acrylic. I know they fail also, but I work in the industrial chemical industry (Dap, Dow Chemical ..etc are our customers). I just can't see all the water pressure behind a bead of silicone. Do you know what brand of silicone was used to build your tank ?
I will be there for sure, I have been waiting for this since RAP I can't believe your tank started leaking, that is really terrible, I am very sorry. I thought it was an early April Fools joke when I read the title. I hope Marineland takes care of you.
The section you see was flapping in the current like a thin mint strip or fruit-roll-up, not a mass in a three-dimensional sense. It waved like a flag, and it took a few shots to get what you see. Had I turned off the flow, it would have settled out of sight.
Also, could be a dropped cardinalfish clutch (i.e. if you have spawning Pajamas).
I'm guessing Dottyback Eggs...they look just like a Dottyback egg mass, and I know you have the three running around in there. Chromis eggs would be smaller and are laid spread over a surface (i.e. a green chromis nest can be several inches in diameter, and the eggs are around 1mm in diameter). I'd stake a big wager those are dottyback eggs.
Would the white seam have showed up prior to the fail? Perhaps visually inspecting seams should be added to my maintenance... This is the first I had heard that all of your livestock is alive. That's great news!
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