We did a water analysis before installing the filter. 3 indicators exceeded the norm, but most of all nitrates and they can only be reduced by reverse osmosis. This filter was bought on the advice of a colleague (she has the same one). The water analysis was repeated after installation, here are the numbers: hardness was 9 (normal up to 7) became 2. Calcium was 124 mg / l (it is not standardized) became 12. Nitrates from 162 mg / l (normal up to 45 mg) decreased to 64 mg. The kettle looks like new, no scale at all. I recommend the filter!
KEDSUM Battery Aquarium Air Pump: Ultra-Quiet Rechargeable Fish Aerator with Dual Outlets - Ideal for Fish Tanks, Outdoor Fishing, Fish Transportation, and Power Outages
35 Review
🌿 Enhance Your Freshwater Fish Tank with Greenpro Java Fern on Driftwood Live Aquarium Plants
27 Review
Aquael Fan Filter Mikro Plus
35 Review
Revitalize Your Freshwater Fish Tank With Greenpro Microsorum Pteropus Java Fern - Full Potted Live Aquarium Plants
22 Review
🧲 Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review
Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review
🐠 U-BCOO Aquarium Gravel Cleaner Fish Tank: Manual Siphon for Efficient Filter Gravel Cleaning and Water Change in Tanks
22 Review
Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review