300Gal Acrylic Tank Purchase. (Used)

  • We are currently upgrading MFK. thanks! -neo
Okay, so while laying bed last night, it popped into my head that while I could drill a starter hole to use a jigsaw to cut out the front pane and then grind down the inside of the top and bottom pieces of acrylic.... I might do more damage to those pieces and create more work than Neccessary, having to remove the left over acrylic and may not get the desired surface to weld in the new pane in it's top and bottom seams.

My immediate proceeding thought was; "What if I cut the pane out right at the inside fo the seam, through the top and bottom pieces of acrylic. All that I would have to do is smooth those edges out with a router, the inside surface that will be welded will already be smooth and the only thing left would be to take .75" off of the side panes and file the coreners toa perfect 90* to properly fit the new pane in and Vuala! I have perfect seams all of the way around!!! Like a new Build!

It would bring the actual Gallons of the tank down by about 12gallons... Not a big in trade for a properly replaced, Stronger and CLEAR pane of Acrylic...

Check it out!

300gfrontpanereplacemen.jpg

300gfrontpanereplacemen.jpg
 
UPDATE:

Heard back from the local plastics Manufacturer which only about 6 miles from us... They said for a full sheet (which I have to get for the size pane that I need) of .75" Cell Cast Acrylic it will be about $430 whcih includes free delivery and a pint of #4 welding solvent which the Rep said is normally about $12...

SO before I go drop that money I'm going to try and hunt down a sheet, or at least the size that I need of the same stuff through another company or LFS or something. This will be a last resort to go through this company. But I'm goignt o at least try to find a lesser price first...
 
Alright, I figured I take a little video and show you the tank in person (so to speak) as well as what my plan is, IF the description and pic were kind of confusing...

Sorry about any occasional blurriness in the video. I may have had something on the lense of the camera or it's just a trud of a camera...

[YT]45E1UwY5f1A[/YT]
 
Consider Weldon 40. It's a 2-part system, but has super high strength if you cure it at the right temperature. From the Weldon 40 spec sheet: "
​
WELD-ON 40 is a 2-component, clear, medium syrupy, low VOC, reactive acrylic adhesive. It polymerizes at room temperature, forming high strength joints within a few hours. The cemented joint retains high clarity, good strength and resistance to the effects of weathering and aging."

The thicker consistency will help seal well, but you still need to keep the bead thin. Contact me for the spec sheet/instructions.

To keep from squeezing the Weldon out of the seam, you need to do something to keep the gap open a bit. Instead of a square edge, maybe a slight (1 degree?) taper to the edge of the bottom/side edges of the new sheet will help. You'd also have to eithre put something over the seam to keep it from oozing out til it cures, or lay the tank so the Weldon stays in the gap from gravity.

Cured strength:
​
Aged Bond Strength, lbs/in2 (kg/cm2)​
TEMPERATURE​
​
24 Hours*​
​
1 Week*​
​

​
Room temperature
2600 (182.8)
4000 (281.0)
120°F (49°C)
4500 (316.0)
5700 (400.8)
150°F (66°C)
5900 (414.8)
7000 (492.0)​


A non-combustible 150°F heating source inside the tank with something over the top to keep heat inside for a week will increase the cured strength.
 
Well after much consideration I ended up selling the Tank but was able to get $400 for it. I'm now looking for either a 300 gallon that is 8ft by 2.5ft W x 2ft T or a 240 Gallon that is 8ft x 2ft x 2ft... Reason being is that I'm putting a colony of 18 F1 Cypho GIbb "Mobas" in it and I would wrather have a little bit shorter tank to pull the females from to strip than a taller one....
 
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