Watering system…

….for a square foot garden!!

 

1/2" PVC tubing and cut it into 18x 10-3/4" lengths 6x 9-1/4" lengths 2x 2-2/1" lengths.
9. cross connectors   2. 90° Elbows   1. PVC Reducer Male Adapter 3/4" MNPT x 1/2” Slip. 2. Male Slip Adapter 1/2" x 1/2"     2. 1/2" Threaded cap.     9. Slip on PVC caps. for each grid

 

I like the connected sides on the one below.

 

Ideas from the Square Foot Gardening Forum