
- EHEIM Substrat Pro Biological Filter Media (Sintered Pearl-Shaped Glass) 2L
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Amazon
From $27.36 (New)
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Petsmart
From $34.99 (New)

From $27.36 (New)
From $34.99 (New)

| Latest | $27.36 Apr 22, '16 |
| Highest | $37.99 Aug 22, '15 |
| Lowest | $21.00 Aug 25, '14 |
| Average | $26.92 (30d avg) $29.51 (90d avg) $29.89 (180d avg) $29.35 (365d avg) $28.55 (Lifetime average) |
| Added | Sep 11, 2013 |
| Last Seen | |
| Highest | $32.61 Jan 6, '14 |
| Lowest | $18.89 Jan 18, '15 |
| Average | $25.99 (30d avg) $26.69 (90d avg) $26.79 (180d avg) $27.01 (365d avg) $25.77 (Lifetime average) |
| Added | Sep 11, 2013 |
| Latest | $19.99 Apr 22, '16 |
| Highest | $24.75 Jun 20, '14 |
| Lowest | $15.10 Feb 17, '15 |
| Average | $19.99 (30d avg) $19.99 (90d avg) $19.99 (180d avg) $19.99 (365d avg) $22.98 (Lifetime average) |
| Added | Sep 11, 2013 |
30 day average: 11,388
90 day average: 12,995
EHEIM Substrat Pro Biological filter media is specially shaped to create a better water throughflow to provide longer intervals between required maintenance. Its open structure for enhanced water penetration provides better bacterial colonization.

| Last Seen | |
| Highest | $45.99 Apr 10, '14 |
| Lowest | $34.99 Sep 18, '14 |
| Average | NA |
| Added | Apr 10, 2014 |
Biologically intensive filter media. Converts ammonia and nitrite into relatively non-toxic nitrate. With over 450 ml per litre (18,300 sq. ft. per U.S. gal.) Biologically intensive filter media. Converts ammonia and nitrite into relatively non-toxic nitrate. With over 450 ml per litre (18,300 sq. ft. per U.S. gal.) EHEIM SUBSTRAT is a specially designed sintered glass. Bacteria are able to stick better to a surface which has a complex pore system. SUBSTRAT has been specially developed to offer optimum sites for bacteria colonization. The effectiveness of these bacteria is linked to how much oxygen and toxins can flow by. With faster decomposition of toxins compared to other media.