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the Fluval U4 delivers strong performance
Each carbon in the complex is utilized by different strains of microorganisms while ensuring the correct carbon:nitrogen:phosphorus ratio is met for each stage
methionine
on average 3-6 months between cleanings
Accurate Measurement: The test kit provides precise measurements of magnesium concentrations in your aquarium
Fluval Easy Vac Medium Gravel Cleaner - 11062 sale the Fluval U4 delivers strongExclusive gravel guard keeps gravel in the tank, not the bucket Quick Start: hassle free start up Oval shape for easy access to corners Comfortable grip Non kinking hose Bonus bucket clip included Dimensions: 1. 8 m (6') tubing 12 mm inside diameter 15 16 mm outside diameter