300pcs Auqarium Biochemical Balls Fish Pond Filter Fish Tank Filtration Blue Carpet & Floor Sweepers The coated substances of other

The coated substances of other fertilizers are easily absorbed by aquatic plants and accumulate excessive nitrates

❤ Made from good quality plastic

Perfect for bird bath

Coloured coordinates for easy component placement

ITEM NAME:10 Leds Barbecue Grill Light Outdoor Hiking Lamp Melt-free Nightg Light img *{margin:0

300pcs Auqarium Biochemical Balls Fish Pond Filter Fish Tank Filtration Blue Carpet & Floor Sweepers The coated substances of otherITEM NAME: 300pcs Auqarium Biochemical Balls Fish Pond Filter Fish Tank Filtration Blue img *{margin: 0; padding: 0;. Material: PVC + Biochemical cotton. For use in fresh and saltwater aquarium and ponds. You may gently rinse with water from the aquarium if excessive buildup. For efficient biological filtration. 300 Pieces Bio Balls.