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Hanna Instruments

Hanna Checker®HC Marine PH HI-780

Hanna Checker®HC Marine PH HI-780

Regular price €89,90 EUR
Regular price Sale price €89,90 EUR
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Delivery and return

Delivery from our own warehouse within a week. You can also pick up the product from our store! If the product is not in stock immediately, we will order it from our supplier, in which case the delivery time is 1-2 weeks.

pH of ocean surface water is normally 7.5.to 8.5 pH.

Over the years however, acidification tendency is to decrease 0.1 to 0.2 pH units/century. Acidification is a consequence of carbon dioxide (CO) absorption in seawaters and oceans. Carbon dioxide reacts with seawater to produce carbonic acid (HCO).

pH modifications affect marine life growth, reproduction, and communication. Hydrogen ions have a tendency to bond with carbonate to form bicarbonate. The greater attraction to carbonate over calcium can adversely affect skeleton building and can limit coral growth.

  • Ideal for aquariums and marine biology
  • Easier to use and more accurate than chemical test kits
  • Small size, big convenience

Four steps. One click. Instant Readout.


Step 1  1. ‘Zero’ the Checker®HC with your vial & 10ml water sample inside

Step 2  2. Take the vial out and add your reagent

Step 3  3. Place your vial into your Checker®HC

Step 4 4. Press the button and read the results

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