I would guess 6 inches is not far enough down. Although these pipes do not contain a constant flow of liquid like our intake water lines...which 3 ft depth is recommended.
There is a social media Q & A site called Quora where one can ask such a question of experts or those who've experienced this condition that may provide some insight.
I would guess 6 inches is not far enough down. Although these pipes do not contain a constant flow of liquid like our intake water lines...which 3 ft depth is recommended.
There is a social media Q & A site called Quora where one can ask such a question of experts or those who've experienced this condition that may provide some insight.