This is the best aquarium safe silicone on the market.
Safe for all fish, reptiles and amphibians and arachnids.
This is a non-slump sealant and can be applied to vertical surfaces without flowing or sagging.
Withstands constant operating temperatures from -57°C to +233°C
Not affected by humid or moist conditions.
Wont dry out/split or crack.
This Professional-Grade silicone is of the purest and highest quailty and wont break down as fast as others and will last decades.
Comes Black or Clear.