Last night, or really early this morning, I heard a noise and discovered that my 400g reef had literally sprung a leak.   It’s 1 a.m. and I know that the tank has a lot of water left to drain out.  I stood there with my finger on the spot holding back the stream of water, wondering how to proceed for about sixty seconds.  I let go and dashed to get my iPhone, naturally. After taking that picture, I grabbed a Rubbermaid 100g container and started siphoning water out as quickly as I could.  Once the container filled up, I then drained more water into the sump’s extra capacity, and then more in an empty 55g barrel. The stream (pictured above) of water was caught in a handy 5g bucket, with a chunk of pink foam as an impromptu splash guard to keep the electrical components dry. With the surface water level just beneath the hole in the silicone, I still had to… More: