Check the listing for details. Brightwell Aquatics Alkalin8.3 Liquid PH Buffer. Condition: New. Listed at 11.99 USD. Home View All Listings Contact Us Feedback Menu Aquarium Supplies Pond Supplies FOUNTAIN PUMPS POND FILTER MEDIA POND FILTERS POND FOOD POND LIGHTING POND NETTING POND UV STERILIZERS POND WATER PUMPS POND WATER TREATMENTS GIFT CARDS Reptile Supplies Small Animal BIRD WILD BIRD Brightwell Aquatics Alkalin8.3 Liquid PH Buffer Description Payment Shipping Returns Contact us Description Overview * Unlike single component KH products such as sodium carbonate, Alkalin 8.3 is a multi-component automatic buffer that regulates pH and its use makes for a much more stable aquarium. Eliminates pH and KH instability caused by poor salt mixes and ineffective buffering products. Highly-effective alkalinity(KH)-increasing ("buffer") solution. * Helps increase pH Stability in an aquarium by raising the alkalinity. * Provides a source of carbonates, which make up the majority by weight of aragonite, the mineral secreted by reef-building organisms as skeletal material. * Continued addition raises pH until 8.3 is reached, at which point the pH remains unchanged and the alkalinity alone increases. * Over 50% stronger than most competing products. * Free of phosphates, silicate, and organic material. * Formulated by a marine scientist Technical Background Alkalinity, also referred to as carbonate hardness or buffering capacity, is essentially a means of quantifying the stability of pH in a solution, such as aquarium water. Alkalinity is of extreme importance in a marine aquarium, owing to the manner in which it influences pH. In an aquarium, weak acids formed by oxygen respiration and the decomposition of organic material gradually deplete alkalinity. If left unchecked, the alkalinity drops below a critical level and pH begins to fluctuate more wildly than is normally suggested (a daily pH shift of +/-0.2 is normal in marine aquaria), causing stress to livestock. Alkalinity is also depleted by reef-building organisms during the production of aragonite (~60% carbonates by weight), and is therefore very important for their rapid growth. Maintaining the alkalinity in marine aquaria between 7 - 12 dKH (2.5 - 4.3 meq/L) will generally maintain pH within the desired range. The rate at which alkalinity is depleted in a reef aquarium is determined by the stocking density of reef-building livestock, type of lighting, rate of water circulation, and other biological, physical, and chemical conditions; therefore, each aquarium will have different requirements for the rate of alkalinity supplementation. Once the rate of alkalinity depletion in the aquarium has been determined, the proper dosing rate of this product can be easily calculated. It is recommended that a quality salt mix with the proper (not augmented) alkalinity and concentrations of major, minor, and trace elements be used to establish natural seawater parameters in the reef aquarium, providing a stable ionic foundation on which to build. For additional information on alkalinity and other important aspects of marine chemistry for marine aquaria. All Brightwell Aquatics liquid water care supplements are made with purified water and high purity materials. We develop formulae for aquaria based on empirical data, using observation and measurement rather than theory. Instructions and Guidelines Basic: Shake product well before using. Add product at the maximum rate of 5 ml (1 capful) per 30 US-gallons daily until the desired alkalinity is attained, then dose daily or weekly as needed (see below) to maintain alkalinity between 7 - 12 dKH. When used in this fashion, 250 ml treats up to 1,500 US-gallons (5,678 L). Advanced: Determine the alkalinity in the aquarium using an accurate test kit before supplementing. Shake product well before using. Each ml of Brightwell Aquatics Alkalin8.3 will increase the alkalinity in 1 US-gallon (3.785 L) of water by 3.1 dKH (1.1 meq/L). If the initial alkalinity in the aquarium is below 7 dKH (2.5 meq/L), add this product at the maximum rate of 5 ml per 10 US-gallons daily until the desired alkalinity is attained, then dose daily or weekly as needed (see below). For minor adjustments to alkalinity, add 5 ml (1 tsp) of Alkalin8.3 per 30 US-gallons of aquarium water as needed to maintain the alkalinity within the proper range. Always try to maintain the alkalinity within a range of +/-1 dKH. To determine the rate of alkalinity depletion once the desired alkalinity has been acquired, measure the alkalinity at the same time each day over a one- to two-week period. To determine the daily dosing rate (preferable to weekly dosing) for alkalinity maintenance: estimate the volume of water in the entire aquarium system; divide the daily decrease in alkalinity by 3.1 (when measuring alkalinity by dKH; divide by 1.1 when measuring by meq/L); multiply this number by the volume of water in the system to get the daily dosage required (ml) to maintain a stable alkalinity. Daily dosing maintains a more stable alkalinity and pH (and a more natural environment) than dosing weekly, in which the alkalinity spikes just after dosing and then gradually decreases throughout the course of the week. Note: If pH does not reach desired level when using this product as directed, such as when gas exchange in the aquarium is insufficient, addition of a pH-increasing product (i.e. Brightwell Aquatics pH+) may be required. Follow manufacturer's directions for using such a product regardless of which one is used. Also, the addition of a small column of bio-balls in the sump, in air, in the water flow, can help keep pH up and stable. The physical crashing of the water over the bio-balls (in air) will "knock out" CO2 molecules into the air and remove them, and the resulting carbonic acid from the aquarium, thereby elevating and stabilizing pH. Caution: Contains carbonate and bicarbonate salts; harmful if swallowed. If swallowed: give water, get medical attention. May cause eye or skin irritation. If in eyes, flush with water for 15 minutes, get medical attention. If on skin, wash thoroughly with water. Keep out of reach of children. Not for human consumption. Ingredients Purified water, inorganic Bicarbonate, Carbonate, Sulfate, Borate salts, proprietary ingredients Payment Special financing available Select PayPal Credit at checkout to have the option to pay over time. Qualifying purchases could enjoy No Interest if paid in full in 6 months on purchases of $99 or more. Other offers may also be available. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months. Minimum monthly payments are required. Subject to credit approval. See terms- for PayPal Credit, opens in a new window or tab The PayPal Credit account is issued by Synchrony Bank. Shipping We offer free shipping within the United States. We can also ship your order overseas for an additional shipping fee. Orders placed Monday thru Friday before 2pm MST (excluding holidays) will be shipped the same day. Orders placed after 2pm MST will be shipped the following business day. Returns We take great pride in the quality of our merchandise. If for any reason you are not happy with your purchase, you may return the item(s) within 30 days of receiving the order. Please note that items must be in original, new condition to receive a full refund of the merchandise cost. Items that show signs of use or wear may be subject to a restocking fee. 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