en Copyright 2013 Price: $59.99 - Buy Perfect-A-Flo 18 x 48 Undergravel Aquarium Filter - Provides valuable biological filtration under your substrate. To date one of the most popular biological filtration methods for aquariums. Can be used for freshwater and saltwater aquariums.
]]> Tue, 14 Feb 2012 14:19:45 -0700 UNDERGRAVEL FILTER http://www.ocreef.com/perfect-a-flo_18_x_48_undergravel_aquarium_filter UNDERGRAVEL FILTER Price: $39.97 - Buy CaribSea Aragamax Oolitic Select Sand 30 lb - This uniformly graded oolitic reef aragonite not only provides nitrate reduction in shallower aquarium beds, but also has an increase in pore water space which allows maximum diffusion rates of minerals and trace elements. A high grade reef substrate sand mix.
]]> Mon, 30 Aug 2010 10:52:52 -0600 UNDERGRAVEL FILTER http://www.ocreef.com/caribsea_aragamax_oolitic_select_reef_sand_substrate_30_lb UNDERGRAVEL FILTER Price: $7.99 - Buy Zoo Med Non Toxic Substrate Mesh 12 inch x 12 inch - Non-toxic mesh for use in terrariums above the HydroBalls layer to allow proper water drainage, which keeps substrates from mixing and contaminating the water and filtration system. Also great for aquarium plenums and/or underground filters. Keeps fine sand from falling through.
]]> Tue, 14 Feb 2012 13:24:45 -0700 UNDERGRAVEL FILTER http://www.ocreef.com/zoo_med_non_toxic_substrate_mesh_12_inch_x_12_inch UNDERGRAVEL FILTER