Page 20
Typical Pebble Layout for Custom 16 or Small Custom 18
FIRST LAYER
SECOND LAYER
TOP & FRONTLAYER
FLAT PEBBLES
(H)
FRONT
PEBBLES
(E or J)
AERATION
TUBES
FRONT
PEBBLES
(E or J)
LARGE
PEBBLES
(K)
MEDIUM
PEBBLES
(C, D & F)
MEDIUM
PEBBLES
(C, D & F)