AquaTopia Marine Hydrometer
$42.99
Aquatopia Marine Hydrometer has a compact design that allows for discrete placement in an aquarium and will not interfere with viewing of fish.
It is ideal for all saltwater aquariums and sumps. The Mini Hydrometer can remain submerged inside the aquarium, so you know your salt level at a glance.
It is ideal for all saltwater aquariums and sumps. The Mini Hydrometer can remain submerged inside the aquarium, so you know your salt level at a glance.