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.
Skimmers for In-Ground Pools. A surface skimmer is typically made of plastic (or PVC) or precast concrete and has a tank with a projecting throat on its upper side. The skimming action is performed by the weir, which regulates the amount of water entering the skimmer.