For most marine aquariums, the pH level should be 8.3. It is important that this remains stable as any fluctuations can result in stress, poor health and ultimately, death. As aquarium water tends to acidify with age, regularly testing the pH of the water is the only reliable method of ensuring that the pH is correct for the aquarium’s inhabitants. 

Permanent Hardness (pH):

• The pH describes one of the most important chemical properties of your water, the balance between acid and
• All fish, invertebrates, corals, and micro-organisms react very sensitively to drastic and rapid changes to the pH value.

If you do need to adjust the pH of your aquarium, it is vital to do this slowly to not shock the fish or other inhabitants.

If the pH is outside of the desired range, test and ensure that the KH is also correct. To safely increase the pH and the KH, use NT Labs Marine Buffer Powder. When the KH is correct, the pH should return to the normal range. Excessively high pH (and KH) can be caused by inappropriate décor or overuse of some calcium supplements; identify the precise cause and carry out partial water changes to dilute high KH and restore the pH to the required range.

NT Labs Marine Lab pH Test Kit will help you understand the importance of water quality. By having the correct parameters and good water quality, it will help your fish and plants live longer, healthier lives.

Highly accurate, the NT Labs Marine Lab pH Test Kit contains liquid reagents which work by changing the colour of a water sample in relation to the concentration of a given substance. Simply compare the colour of the sample to the easy-to-read colour charts or count the number of drops it takes to alter the colour of the sample.

The tests are liquid drop tests from a calibrated dropper bottle, so all the drops are the same size. Just add your aquarium water to the test tube and count the drops needed. The back of the box details clear pictorial instructions so you can see what to do from the start. A set of colour coded stickers is provided to label both the test tubes and test tube lids, so you always conduct the same test in the same test tube avoiding contamination. Full instructions are included detailing optimum levels and suggestions for correction.

Suitable for marine, reef and brackish aquariums.