You know you knead it
Selley's Knead It Aqua is versatile, hand kneadable, fast setting epoxy repair putty that can be used for repairing a multitude of things. It is especially suitable for application to damp, wet or underwater substrates. It comes in a handy roll form, with the white hardener encapsulated in the aqua green resin part. The product hardens in 20 – 30 minutes after mixing, to a white solid material. Avaiable from Bunnings, Mitre10 and other DIY stores.