The best thing you can do for your aquarium is to get rid of annoying algae. Might fog up your tank because you immediately put litter in your reactor and your tank is not used to it, but it will go away in about a week without damaging anything.
π API Stress Coat Water Conditioner | Tap Water Safe, Repairs Fish's Protective Coat, Use for Water Changes, Adding Fish, and Injuries
9 Review
Tetra AquaSafe tap water treatment agent, 5 l
11 Review
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10 Review
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10 Review
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55 Review
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37 Review
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Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review