Fluval Peat Granules Substrates and it has a locking

and it has a locking mechanism that allows for continuous spraying

and 36% from fat

the U4 Poly-Max Cartridge helps control green water and unsightly algae growth by trapping and adsorbing phosphate

ADDITIVES (per kg):

Fluval Peat Granules Substrates and it has a lockingNet Wt. 600 g (21 oz) Description Fluval Peat Granules provide an all natural way to soften aquarium water and achieve the pH levels required for breeding and rearing certain tropical fish. Peat contains humic acid, tanning agents, and trace elements that are essential for various life processes. Highly concentrated for maximum effectiveness, this product is recommended for fish that prefer soft, acidic water. For Fluval filter models: 106, 206, 306,