Aquael Natural Multicolored Gravel 3-5mm 2kg Alkalinity It raises gH (General Hardness)

It raises gH (General Hardness) to help osmosis control in aquatic animals

1 diffusor and 1 m air hose

Use with each water change and for best results also use 2 3 times per week

High Surface Area 1

Aquael Natural Multicolored Gravel 3-5mm 2kg Alkalinity It raises gH (General Hardness)AQUAEL offers a broad range of natural aquarium substrates. This line of products includes: BASALT SAND 0,1 0,5 mm is recommended for aquariums inhabited by timid, bottom dwelling fish that prefer dark substrates (the fine sand does not damage their skin); BASALT GRAVEL 2 4 mm is ideal for aquariums inhabited by timid fish that prefer dark substrates; QUARTZ SAND 0,1 0,3 mm is recommended for aquariums inhabited by bottom dwelling fish (the fine sand