4 T3 \7 S- P2 N# b$ \/ Y(DIY) buy at HD, apply leak seal from inside OR % v$ x; ^ H' d& X ( c3 \( r$ P7 Y, j) y$ Nhire some professional company that armed with high pressure injection equipments to do the leak plug.
9 y: w9 E6 @$ qshould work, high pressure injection is the best and have lifetime warranty.. e6 V, q$ [: c0 L$ d4 D& P9 U$ z% B
: d/ U3 I% `1 `5 P* khairline cracks not going all the way through wall is not unusual, 8 s; R6 N5 F; c$ R5 I: n( c9 w
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big crack is rare, if possible, I rather back off