Quick Comparison
| Settings | SUNSUN UV LIGHT HW-5000 remove | COVE CALCIUM REACTOR CR-150 remove | SEACHEM TIDAL FILTER, 35 GAL. (135 L) ROW 230 V, 50 Hz, EU, 2P remove | COVE SKIMMER I-120 remove | SEACHEM DE*NITRATE 100 mL remove | SEACHEM MATRIX CARBON remove | ||
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| Name | SUNSUN UV LIGHT HW-5000 remove | COVE CALCIUM REACTOR CR-150 remove | SEACHEM TIDAL FILTER, 35 GAL. (135 L) ROW 230 V, 50 Hz, EU, 2P remove | COVE SKIMMER I-120 remove | SEACHEM DE*NITRATE 100 mL remove | SEACHEM MATRIX CARBON remove | ||
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| SKU | 6800000086 | 600000095 | 000116065887 | 600000090 | 000116013505 | |||
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| Features Ventilation slotsVentilation slots in the lid of the filter and aeration grooves in the outflow ensure that water returned to the tank is fully oxygenated and maximize gas exchange during filtration. Bottom-to-top flowThe pump pushes water up into the basket of the filter, entering through the bottom of the basket and being pushed out the top. A bottom-to-top flow ensures that water comes into contact will all filter media, and cannot go around or over filter media as with hang on back filters with a back-to-front flow. Maintenance alertOver time, filtration media can become clogged with detritus reducing or obstructing the flow of water through it. When this happens in Tidal™ filters, water is redirected around the filter and back into the aquarium through an outlet on the side. The redirected water pushes up the blue maintenance alert on the top of the filter, signaling that the filter needs to be cleaned. Surface skimmerThe surface skimmer will capture the water from just below the surface, where excreted fish oils accumulate, as well as deeper in the tank removing floating debris Flow regulationThe flow on the pump is adjustable using the dial on the front No filter cartridgesThe filter basket has a huge capacity to hold filtration media of your choice in the configuration of your choice. All Tidal™ Filters come with Seachem's Matrix™ bio-media to get you started. No mess maintenanceThe basket is fully removable and snaps into the lid of the filter for easy and drip-free transit to a sink or hose for cleaning. Self-priming pumpSelf-priming pump means there is no need to fill the filter basket with water, start a siphon, monitor the filter, or any of the other headaches of starting a new filter Self-cleaning impellerThe self-cleaning, corrosion-resistant impeller is suited for both saltwater and freshwater environments. This cuts down on maintenance and makes the filter suitable for a wide range of environments. Adjustable leveling deviceA leveler on the base of the filter lets the filter adjust to a variety of aquarium styles. 3 year warrantyAll Tidal™ Filters are guaranteed against defects of materials and workmanship for a period of 3 years from the date of purchase, except for the pump’s impeller. This can be extended to 5 years by registering your filter. The warranty covers the replacement of the defective parts. DimensionsUnitLength: 6 ⅛ in (15.5 cm) Width: 5 ⅛ in (13 cm) Height: 7 ⅛ in (18 cm)Media ChamberLength: 5 ⅜ in (13.8 cm) Width: 2 in (5.2 cm) Height: 4 ⅞ in (12.5 cm)Wall Clearance2 ¾ in (7 cm)Tank Trim Clearance13⁄16 in (2 cm)Internal Tank Clearance1 ⅜ in (3.5 cm)Technical SpecificationsAquarium SizeUp to 35 US gallons (130 Liters)Flow Rate130 US GPH (500 L/H)Watts6 - (120 v - 60 Hz) 5 - (230 v - 50 Hz)Filter Volume0.2 US gallons (0.7 Liters)Features
Package Contents
Warranty Information3 Year WarrantyAll Tidal™ Filters are guaranteed against defects of materials and workmanship for a period of 3 years from the date of purchase, except for the pump’s impeller. This can be extended to 5 years by registering your filter. | Overview
de❊nitrate™ is an economical, natural, porous material with a pore distribution and geometry that promotes both aerobic nitrification within the first few millimeters of depth and anaerobic denitrification at the core. The material has a high surface area and supports a high density of bacteria. Although de❊nitrate™ has capacity to trap nitrate, this, as with other nitrate retaining materials, such as certain zeolites and synthetic resins, is quite limited and the primary mechanism of nitrate removal is anaerobic.
“Live” rocks or reef rocks remove nitrate by anaerobic denitrification. de❊nitrate™ removes nitrate by the same process. Efficiency is magnified several folds by forcing the water to filter through the porous de❊nitrate™. As with reef rock, anaerobic conditions are achieved by the porosity and the depletion of oxygen by the aerobic process at the surface. Excessive flow rates should, therefore, be avoided, as they may impede development of an adequate anaerobic environment to support denitrifying bacteria.
de❊nitrate™ is also an excellent media for aerobic nitrification and it makes an ideal biological filter in drip trays, canister filters, sumps, or even box filters. At high flow rates (greater than 100 US gallons per hour), it will function solely as an aerobic filter. At slow flow rates (less than 50 US gallons per hour), it will function as both an aerobic filter and an anaerobic denitrifying filter.
Directions
For best results, de❊nitrate™ should be placed to assure the flow of water through it, such as in a canister filter, chemical filtration module, or box filter. Flow rate should not exceed 200 L (50 US gallons) per hour. If higher flow rates are unavoidable, use Matrix™ or Pond Matrix™. It is best to rinse off dust before use. Once de❊nitrate™ has been in use for several days, nitrate concentrations should start to fall and level off gradually at a concentration of about 4–5 mg/L as nitrate. As long as nitrate concentrations remain under control, the product is not exhausted. Each 500 mL of de❊nitrate™ treats about 100–200 L (25–50 US gallons), depending on initial nitrate concentration and the current biological load. Enough should be used to remove nitrate at a rate at least as fast as the rate of formation. If very high nitrates are initially present, they should be brought down to less than 20 mg/L with water changes.
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MatrixCarbon™ is a truly unique activated carbon. It is formed as a spherical bead for optimum hydrodynamics, and will not pack. It permits maximum water flow and contact with its high density of macroporous binding sites. MatrixCarbon™ has a very low ash content as indicated by its minimal impact on pH. Even when added to distilled water, it does not raise pH above 7.0. While all carbons contain phosphate, regardless of false claims to the contrary, MatrixCarbon™ has the lowest detectable leachable phosphate content of all major carbon brands tested. MatrixCarbon™ outperforms other high grade carbons by at least two-fold when compared for total capacity to remove aquarium organic matter, rate of adsorption, and duration of use.
While carbon is generally considered to be a chemical filter, that is not precisely true. It is in fact a mechanical filter as well, but it is only capable of mechanically filtering objects of molecular size. It functions through extremely small cracks and crevices, called macropores and micropores. Microporous carbons remove primarily metals and smaller ions (like trace minerals) and are best suited to air filtration, while macroporous carbons remove primarily larger organic molecules (like nitrogenous waste) and are best suited to water filtration.
The ingredients from which a carbon is manufactured determine whether it will be macro- or microporous. Carbons made from coconut shell and other organic products form microporous carbons, while carbons made from bituminous coal form macroporous carbons. MatrixCarbon™ is a bituminous coal-based, macroporous carbon. It is the only spherical carbon on the market, allowing for maximum water flow. It is sized to allow full penetration by water, but not small enough to escape filter bags. All carbons contain phosphate. However, that phosphate DOES NOT come from washing the carbon with phosphoric acid. Most carbons are washed with sulfuric acid. The phosphate is contained in the ash from the carbon source. The main purpose of acid-washing is to remove ash. Because of MatrixCarbon’s™ hydrodynamic properties, more ash is washed from our carbon than any other. Therefore, it has the lowest leachable phosphate on the market.
Directions
250 mL will easily treat 400 L (100 US gallons) for several months. Use in a filter bag. Rinse before use. For best results, MatrixCarbon™ should be placed so as to maximize the flow of water through it. It may be used in a canister filter, chemical filtration module, box filter, or any high flow area of a trickle filter.
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