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Nutrient Blend: Enriched with iron and potassium to promote healthy
The Fluval U2 Internal Filter is brand new onto the market
Temperature adjustable between 64°F and 94°F
Fast-acting – works within minutes
Salifert Oxygen Profi Test Kit - 5193 aquarium-systems Nutrient Blend: Enriched with ironCorals and marine fish require very high levels of oxygen concentration because of the low solubility of oxygen in salt water so it is very important to regularly test the level of oxygen present. The Salifert Oxygen Profi Test is extremely fast, measuring oxygen levels in just a few minutes and is scaled from 2 14 mg L. Sufficient for 40 tests
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