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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
1 dosing spoon per 500 L (132 US gal)
filtration media can become clogged with detritus and prevent water from flowing through
Powerful combination: Mechanical and biological filtration for clear and healthy aquarium water
Entire contents will effectively treat 200 gallons
Dupla CO2 Bubble Counter Sander 1 dosing spoon per 500Product details Device for the visual checking of the CO2 supply and safety valve all in one. timeless design sturdy construction easy assembly above or below the aquarium includes non return valve. Accessories: 1 x wall bracket 4 x screws 2 x 33 mm clamps 2 x dowels
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