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mine hasn't cracked in two, but does have a crack.  i put duct tape below and clear tape on the topside.  it seems to be holding.  i got a spare in case it falls apart.

since yours is in two pieces, i would just get a new one.

Step 1 - Clean up Hawg Trough edges with sandpaper, use a straightline and exacto knife to score the trough along hash marks, approximately 1 1/2" on both sides of the break.
Step 2 - Gently place painters tape along the scored hash marks, to prevent it from cracking.
Step 3 - Cut out the broken crack pieces, thereby making the trough 3" shorter.
Step 4 - Carefully glue the trough back together, and back it with some sort of plate on the rear, either aluminum or wood.
Step 5 - Continue using the trough like normal, in addition to a second trough so that you can measure your fish twice for accuracy.
Step 6 - Submit all fish pictures to online kayak fishing tournament or in person fishing tournaments.

Sincerely,
Andrew Shephard

Step 1 - Clean up Hawg Trough edges with sandpaper, use a straightline and exacto knife to score the trough along hash marks, approximately 1 1/2" on both sides of the break.
Step 2 - Gently place painters tape along the scored hash marks, to prevent it from cracking.
Step 3 - Cut out the broken crack pieces, thereby making the trough 3" shorter.
Step 4 - Carefully glue the trough back together, and back it with some sort of plate on the rear, either aluminum or wood.
Step 5 - Continue using the trough like normal, in addition to a second trough so that you can measure your fish twice for accuracy.
Step 6 - Submit all fish pictures to online kayak fishing tournament or in person fishing tournaments.

Sincerely,
Andrew Shephard

 

I would repeat the process with another hog trough with 6" cut out.

glue/goo/adhere a couple of long wooden dowels, into the slots underneath. Both sides of the trough, the entire length of the trough.

it will also make it float. I use door, foam weather striping in the grooves to make it float.

glue/goo/adhere a couple of long wooden dowels, into the slots underneath. Both sides of the trough, the entire length of the trough.

In addition you can glue a wooden yardstick to the top which adds more floatation and allows measuring longer fish..

glue/goo/adhere a couple of long wooden dowels, into the slots underneath. Both sides of the trough, the entire length of the trough.

In addition you can glue a wooden yardstick to the top which adds more floatation and allows measuring longer fish..

...and rigidity! 

You could always win GS tournie, and have a redwood one hand made by LoletaEric!

Get some G-5 G-Lock Blu-Glue. it's used for arrow fletching but that stuff is NAILS on plastic.
Becky cracked the veggie tray in the refrigerator. Used the Blu-Glu and you'd never have known it ever cracked.
Been holding up for well over a year now with no issues at all.
And yea, run a couple of dowels in the recesses on the back.

buy dowels, glue and tape????  whats that 10-15 bucks? plus your time and hassle fucking with it.........$20 hojoman. NO brainer to me, but hey i'm from Texas!