TW (Teichwasser, Schwimmteich) : (dGH) Gesamthärte, (Na) Natrium, (Ca) Calcium, (Mg) Magnesium, (K) Kalium, (Sr) Strontium, (B) Bor, (Br) Brom, (S) Schwefel, (Li) Lithium, (Be) Beryllium, (Ba) Barium, (Ti) Titan, (V) Vanadium, (Cr) Chrom, (Mn) Mangan, (Fe) Eisen, (Co) Cobalt, (Ni) Nickel, (Cu) Kupfer, (Zn) Zink, (Al) Aluminium, (Si) Silicium, (As) Arsen, (Sb) Antimon, (Sn) Zinn, (Cd) Cadmium, (Se) Selen, (Mo) Molybdän, (Hg) Quecksilber, (P) Phosphor, (PO4) Phosphat, (NO3) Nitrat, (NO2) Nitrit, (NH4) Ammonium, (Pb) Blei, (I) Jod, (W) Wolfram, (La) Lanthan, (Tl) Thallium, (Ag) Silber, (Bi) Bismuth, (Zr) Zirkonium, (Ga) Gallium, (Ge) Germanium, (Nb) Niob"Nobium", (Te) Tellur.