Marina Ultra 4-way air control valve allows you to run up to 4 air-driven products. Each valve has flow adjuster which enables you to regulate air output to each devise. The valve is leak-proof and suitable for fresh
Equilateral Prism, Material: Glass, Useful for Experiments in Optics, Light Refraction and Wavelengths, Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 3in (75mm) x 1in
AquaClear 50 Activated Carbon Filter Insert improves water clarity in fresh and saltwater aquariums, for the AquaClear 50 Power Filter, it provides superior adsorption which eliminate odors, discoloration and impu
AquaClear 30 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environ
Marina air stone is ideal for adding accents in any aquarium the air stone diffuses air, creating water movement, increases surface agitation, accelerates oxygen replenishment, release carbon dioxide build-up, Rec
Areolar Tissue, Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available, Below is a list of prepared slides we currently stock
Mushroom, Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available, Below is a list of prepared slides we currently stock
Fluval Shrimp Granules, New formulations specifically for freshwater shrimp, disease resistance, No artificial colorants, A healthy dose of multi-vitamin supplement, Highly palatable foods that provide a rich source o
Bread Mold, Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available, Below is a list of prepared slides we currently stock
Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 3in Hx1in W
Earthworm, Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available, Below is a list of prepared slides we currently stock
AquaClear 20 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaC
Marina 3-in-1 Floating Breeding Trap With accessories for all-in-one, self-contained live-bearer breeding tank, has a chamber for expectant fish and a V-shaped bottom compartment that safely collects and protects
AquaClear 50 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. Controlling ammonia levels for fish, It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environm
Planaria, Prepared Slides show top quality specimens in Zoology, Botany, General Biology, Histology, Parasitology, Embryology, Fungi, Monera, and Protista. Single Slides and Sets available, Below is a list of prepared slides we currently stock
Marina 360/Marina Splash Replacement Filter Cartridge, with carbon and zeolite, improves water clarity and color while removing polutants and odors. This replacement filter cartridge is designed use with the Marin
Fluval Bug Bites Medium/Large Tropical, Contains up to 38%, nutrient-rich Black Soldier Fly Larvae (1 ingredient), High in multiple proteins (i.e. Whole Salmon - rich in Omega 3 and 6 for healthy skin, scales and fi