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Close up of hands adding water to fill freshwater aquarium. Fish tank maintenance.

Collection of various kinds of plants in an aquarium

Colorful exotic fish swimming in deep blue water aquarium with green tropical plants.

Planted tropical fresh water aquarium

Marble Angelfish (Pterophyllum scalare) - Freshwater Fish

Man cleaning reef tank.

Colorful blue fish in an aquarium. Labidochromis fish

A pair of apistogramma ramirezi fish in the planted aquarium. Aquascape with many tropical plants.

Man hands planting new water plant, Cryptocoryne Parva, using tweezers in aquarium at home.

nanotechnology and abstract graphene structures

Underwater landscape of a planted aquarium

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

Guppys swimming in a fishbowl with dirty white little stones and artificial water plants.

Urban sewage treatment, sewage purification tank

Tropical aquarium (panoramic)

fish pond

Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment

Co2 diffuser with aquarium plants, for the diffusion of co2 or carbon dioxide in an aquarium for the growth of aquatic plants.

algae on aquarium glass due to lack of maintenance

Reef tank.

Blue Shrimp (Neocaridina sp.) in aquarium with Anubias plants.

Top aerial view of wastewater treatment plant.

dragon stone and wood aquascape setup in an aquarium tank, design before planting setup

fishtank with red coloring dye

asian female working in greenhouse

Seahorse in the aquarium, the Latin name Hippocampus seahorses owe their legendary creatures hippocampus from Greek mythology.

Aquascape landscape with trees made of moss

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

Beautiful aquatic decor in an aquarium, with aquatic plants

Observing seahorses from Ocean's waters

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