The LD-2 is a full size leak detection probe that is compatible with the Neptune FMM module only. The full size sensor is great for inside of your stand, on hard floors, ontop of skimmer cups and any other application that a leak, or overflow may cause an issue. If you have carpeting or tight space requirments we suggest using the LD-1 Leak Detector Probe.
Note: The LD-2 will only work with the FMM and cannot be used with the ALD module.
A must have for your apex By Patrick Em on 8/26/2017Patrick Em would recommend this product to a friendWho likes their significant other complaining about you flooding the room for the Nth time? With this you can prevent a flood that would ruin your floor when its just a drizzle. place one in your sump and one on each side of your tank and be worry free. Tank starts to leak? its better to know through your apex than fond out the hard way. It has saved me tons of times, when my skimmer overflowed, or when my overflow box lost siphon and water was flooding my display tank. Yea some water still it the floor, but the apex caught it and shut the pumps off. Only down side is that every time it gets wet with saltwater, you HAVE TO rinse it with fresh water or it corrodes. Only down side.