Berlin Sump BS-1 Replacement Sponge

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$9.95 $5.29 Save: $4.66 (46%)

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This item is in stock in our East and West Coast warehouses

BS1133

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Berlin Sump BS-1 Filter Foam Block

Size: 4.5" x 5" x 2.5"

Accessories for Berlin Sump BS-1 Replacement Sponge


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Overall, others give this:

11 Reviewers (100%) would recommend this

Overall Rating:

5  Star
 10
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“Micro-Bubble Fixer”
5.0

I was having trouble with micro-bubbles and placed this sump between my refugium and return pumps and my problems if fixed, fixed, fixed.

  • 1
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“Berlin Sump BS-1 Filter Foam B”
5.0

Great easy sump, with simple media. It's my back up sponge. It's a must should always have back ups for exchanges. Great company to work with. I customer for life.

  • 1
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“Perfect”
5.0

Works perfect for what I am using it for.

  • 1
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“Works great”
5.0

I was getting micro bubbles in my take from my skimmer and this caught those bubbles in the sump tank so they didn't show up in the main tank

  • 1
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“Good Sponge”
5.0

Perfect size for an existing sump I have.

  • 1
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“Berlin Sump Replacement Sponge”
5.0

perfect replacement.

  • 1
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“It's a sponge”
5.0

It does what it's supposed to do.

  • 1
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Overall, others give this:

11 Reviewers (100%) would recommend this

Overall Rating:

5  Star
 10
4  Star
 1
3  Star
 0
2  Star
 0
1  Star
 0