Tropica Helanthium bolivianum (Quadricostatus) Potted Plant Freshwater Fish It is useful for systems

It is useful for systems where larger plumbing is used and where knowing actual water movement can help protect equipment

and in saltwater aquariums it may interfere with hard coral growth by affecting calcium and magnesium availability

It is quite rare

Fill the U-tube completely with water and remove all trapped air before positioning it between the internal and external boxes

Helps keep the DOS head assembly properly secured

Tropica Helanthium bolivianum (Quadricostatus) Potted Plant Freshwater Fish It is useful for systemsTropica Helanthium bolivianum (Quadricostatus) Potted Plant Helanthium 'Quadricostatus' from South America has characteristic light green leaves 10 15 cm long which offer a great contrast to the darker aquarium plants. It is most beautiful when planted in groups, each rosette becoming 15 20 cm wide. Thrives well even at a rather low light. In good conditions, it produces runners which spread over the bottom. Very pale leaves are a sign of a shortage