krap101
Aquarium Advice Addict
i was looking up how to build a sand filter when i came upon this
http://www.koi.com.my/forum/KOI_Tal...Filtering_System_F4/DIY_PP_Bead_Filter_P2480/
its called a "polypropolene" bead filter
has anybody tried this?
http://www.koi.com.my/forum/KOI_Tal...Filtering_System_F4/DIY_PP_Bead_Filter_P2480/
its called a "polypropolene" bead filter
has anybody tried this?