Testomat Reagents 302, 303, 305, 310 (F-BOB/808)
Aquacover
£119
Testomat reagents/indicators are specific liquid used in Testomat water hardness/residue hardness monitoring systems used to detect when the residual (remaining) hardness of water exceeds a certain threshold (i.e. to produce a colour change or signal when hardness is above a preset limit).
Aquacover's own words, read from their page.
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