Aquael Natural Multicolored Gravel 3-5mm 2kg Temperature Control Concentration: 1 ml will raise

Concentration: 1 ml will raise the Mg level of 100 liters (25gal) by 1 ppm

Designed at a height of only 54cm (21in)

Give your fish a quiet

for a powerful full flow rate of 450 gallons per hour on the Tidal 35 down to a gentle 90 gallons per hour on the same filter

Mode : O2 Plus 8000

Aquael Natural Multicolored Gravel 3-5mm 2kg Temperature Control Concentration: 1 ml will raiseAQUAEL 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