Alkalinitas ( Alk) [at] fishpond.
Alkalinitas represent fertility value a[n pool pursuant to to the number of carbonate compound content and bicarbonate ( Caco3) in conservancy media water. Alkalinitas have the character of to neutralize strong acid which yielded by existing other element in water. Despitefully, this compound also function as prop ( buffer) existence of other compound. Content of Caco3 in pool counted 30-200 mg / l indicate that the the pool productive enough.
Source R. Eko Prihartono, 2004.