Monthly Archives: November 2008

A Closer Look at the CO2 Regulator, as it relates to the Planted Aquarium

Carbon Dioxide (CO2) is fundamental to the function and success of the planted aquarium. Carbon dioxide is a chemical compound composed of two oxygen atoms bonded to a single carbon atom (O=C=O). During photosynthesis, terrestrial and aquatic plants use carbon dioxide and water, removed from the atmosphere and combined with light energy to produce oxygen and sugars. Free oxygen is released as…

The Drop Checker – How to & the Science behind it

1. Preparation of Indicator Solution: The correct indicator solution is a combination of KH Standard / 4 degree KH (4 dKH) and pH indicator (Bromothymol Blue). With drop checker in hand, turn upside down and fill the reservoir of the drop checker approximately half full (or to level manufacturer recommends) with 4 dKH.  A syringe is an ideal tool to…