[reefburnaby]

Hi,

Well. I sort of cheated...I assumed the water would block off 10% of the light and measured it in air.

if
1 Candlefoot = 1 lumen per foot^2.
1 lux = 1 lumen per meter ^2.

and
1 meter = 3.28 feet
1 meter^2 = 10.76 feet^2

So
1 Candlefoot = 10.76 lux.

QED

- Victor.