:
:

pH/Cl "Pooltester"(.DPD1-20.+Phenol Red-20.) Bayrol

/ / / / pH/Cl "Pooltester"(.DPD1-20.+Phenol Red-20.) Bayrol
 pH/Cl "Pooltester"(.DPD1-20.+Phenol Red-20.) Bayrol - akvisto.com -
: Bayrol ()
1 590 .
-

, 20 DPD 1 , 20 Phenol Red .

! , * -