Apparatus for carbon dioxide enrichment of aquarium water
DE3016869A1
Water level indicator for aquaria - has sound generator activated when measurement electrode immersion condition changes
DE2845681A1
Polystyrene sheets for lining aquariums and/or tanks for land reptiles - have relief configuration with passages for water and air, and indented edges for fitting together
DE2842865A1
Sea-water defoamer and air discharge for aquarium - is hollow cylinder with air-feed pipe with fitted porous wall discs and plug, made of injection-moulded polyethylene
DE2811943A1
Aquarium filter with modular construction - has water deflection chamber with several connection holes for filter bodies
DE2809129A1
Aquarium filter with air-lift pump - has additional activated charcoal or similar filter after main filter
DE2749600A1
Air expeller for aquaria - has connecting tap with continuous smooth-walled support fins with air feed connections
DE2523039A1
Water dispenser for birds and small animals - has drip feed, tipping container and waste water recipient
DE2447230A1
Watering probe for plant pots - consists of crooked support with wick inside and longer side in water and other in soil
DE2301430A1
Aquarium filter system - with three filter pipes and two filter chambers
DE2243902A1
Air bubbler for aquarium is foam block - esp PVA offering low air flow resistance and having simple push on connection to pipe
