ZRM&E Seawater Hydrometer for Aquarium Aquaculture Seawater Densimeter Ocean Hydrometer Salinity Meter for Fish Tank…
Made of high quality plastic, aquarium transparent, automatic accurate reading brine hydrometer
Accurate, durable and easy to read salt and specific gravity of your marine aquarium, small and waterproof. If the specific gravity is between 1.000-1.019, it indicates that the specific gravity is low; if the specific gravity is between 1.020-1.023, it indicates that the specific gravity is normal; if the specific gravity is between 1.024-1.030, it indicates that the specific gravity is high
The external range of the scale indicates salinity (PPT), and the internal range of the scale indicates gravity. And clearly mark the safe area. Application range: 0-40 degrees (1.000-1.030). If the salinity PPT is between 32-40, it indicates that the salinity is high; if the salinity PPT is between 27-31, it indicates that the salinity is normal; if the salinity PPT is between 0-26, it indicates that the salinity hydrometer is low
Zvaiuk 2pcs Fish Feeding Ring, ABS Material Floating Food Feeder with Suction Cup, Aquarium Fish Tank Fish Food Feeder…
🐟【Safe Material & Size】: Our fish feeding ring is made of high-quality ABS material, which is pollution-free and protecting fish health. This fish feeding ring is designed to be thicken round and square to meet various fish tanks and aquariums.
🐟【Keep the Aquarium Clean】: Putting the food in the fish feeding circle to let the fishes develop the habit of eating at fixed points. It is easier to clean up the residual feed, reduces waste and maintains water quality, which can increase more feeding fun.
🐟【Cleverly Designed】: This aquarium feeding ring is equipped with a suction cup and a rotating rod. When the water level rises or falls, the rotating rod repositions with the water level. The fish feeding ring always floats on the water surface.