Brightwell Aquatics pH+
Liquid pH-Increaser for
all Marine Aquaria.
* May be used to help increase pH in aquaria that have adequate
alkalinity yet have chronically-depressed pH levels; while not intended
to act as a permanent solution to such issues, pH+ may be used as needed
until the cause of depressed pH is discovered and remedied.
* Stronger than most competing products.
* Composed of purified water and ultra-high purity materials.
Formulated by a marine scientist.
pH is a measurement of the acidity of a solution, such as aquarium
water. The pH of natural seawater ranges from approximately 8.2 - 8.4,
however maintaining pH in the range of 8.1 - 8.5 on a daily basis has no
negative impact on captive marine organisms.
To maintain stable pH within the desired range, the alkalinity should be
maintained within a range of 7 - 12 dKH (2.5 - 4.3 meq/L). Aquaria with
low circulation at the water’s surface, in which a CO2-injected calcium
reactor is being employed, or in which a carbonate-deficient sea salt
blend has been used, often have depressed pH. pH+ will bring pH in the
aquarium back into the desired range.
Use as directed and do not exceed a pH value of 8.5, as this pH may be
stressful and/or fatal to sensitive aquarium inhabitants. Additionally,
changes to pH should be made very gradually, again to avoid stressing
aquarium inhabitants.
It is not unusual for pH to fluctuate throughout the course of 24-hours
between seemingly wide-ranging values (i.e. 8.1 at night to 8.4 during
the middle of the day); this is a natural occurrence that is caused by
changes in the rates of photosynthesis between dark and light periods.
This situation is frequently encountered in aquaria with considerable
growth of macroalgae (in the display aquarium or in a refugium).
One proven method of minimizing this daily pH-fluctuation is to
implement a refugium that is illuminated on an opposite schedule to the
lighting for the display aquarium (known as reverse-daylight
photosynthesis). In this method, the refugium is illuminated at night
when the display aquarium lights are turned off, and vice versa; a
1-hour overlap of having all lights on encourages a smooth transition
and little change in pH. The result is that photosynthesis takes place
24-hours a day and keeps pH as stable as can be managed.
If pH levels are seen to be constantly below the desired level and
alkalinity is within the proper range, increasing the circulation of
water near the aquarium surface will often produce positive results;
this practice increases the rate of gas exchange and encourages
entrained CO2 to exit the aquarium before it has a chance to form the
weak acids responsible for low pH and depletion of alkalinity.