Hailea HAP-120 air pump frag base Calcium hydroxide is used to

Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawater levels

After months of use it also becomes a very active biological filtration community full of beneficial bacteria and microorganisms

60 liters (approximately 16 gallons) tank with Neo Essence 5ml

and carbonate right where it’s needed

Hailea HAP-120 air pump frag base Calcium hydroxide is used toSpecial artificial rubber to keep a steady air output and pressure. Advanced air compressing system, damping system and multilevel muffler which is extremely low in noise. The structure is reasonable and compact,it is long service life and acquiring best effect with lowest energy consumption. Aluminium alloy case, quick in dissipation and easy to move.