GOST 7.67 Latin three-letter geocode for Dominica. The code is used for transactions to and from Dominican bank accounts and for international shipping to Dominica. As with all GOST 7.67 codes, it is used primarily in Cyrillic alphabets.
What does a protein skimmer do? Protein skimmers actively remove waste products from fish, plants, and invertebrates (along with any dead organisms or uneaten food) before it has a chance to break down and compromise water quality.
What is a rebreather? Divers considering use of the Halcyon RB80 should have a basic understanding of general rebreather function. Since rebreathers inherently increase the risk of any dive, individuals should first consider whether their activity justifies the use of a rebreather at all.