Skimz Filter Socks with Holder Invertebrate Food and increased growth rates

and increased growth rates

If these two factors are insufficient you can provide additional calcium with Reef Advantage Calcium™

If it reads toxic

Ideal for maintenance of aquarium filters and pumps

Specifications : BM-4

Skimz Filter Socks with Holder Invertebrate Food and increased growth ratesSkimz hang on filter sock holder fits standard 4" 7 filter sock, to remove excess food, detritus, organic waste, dust, any particles and results in crystal clear water. Specifications : BM 4 Dimensions 4. 2" x 7. 5" x 1. 8" Max Rim Thickness 0. 90" Filter Sock Opening 3. 6" Diameter What's Included? 1x BM4 Filter Sock Holder 1x EL S300 Filter Sock Specifications : BM 7 Dimensions 281 x 200 x 45mm Max Rim Thickness 6mm Filter Sock Opening 167mm