sera siporax pond Professional 25 mm 2 kg
SKU: 80069876263

sera siporax pond Professional 25 mm 2 kg

Sale price$87.30 Regular price$97.00
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Description

sera siporax pond Professional 25 mm 2 kgsera siporax pond is een volledig biologisch filtermedium voor alle vijverfilters 1 liter sera siporax pond biedt net zo veel vestigingsgebied voor bacterin als b. v. 34 liter filtermateriaal van klei. Sterke vervuiling door zwevende stoffen voorkomt u door het gebruik van sera biofibres grof als voorfiltermateriaal. sera siporax pond biedt bacterin een extreem hoog aandeel tunnelstructuren met open porin. Zo wordt het mogelijk de bacterin op een

sera siporax pond is een volledig biologisch filtermedium voor alle vijverfilters



1 liter sera siporax pond biedt net zo veel vestigingsgebied voor bacteriën als b.v. 34 liter filtermateriaal van klei. Sterke vervuiling door zwevende stoffen voorkomt u door het gebruik van sera biofibres grof als voorfiltermateriaal.

sera siporax pond biedt bacteriën een extreem hoog aandeel tunnelstructuren met open poriën. Zo wordt het mogelijk de bacteriën op een ideale manier van voedingsstoffen te voorzien en van zeer geringe hoeveelheden vers water. Het binnenste van de tunnel verkeert in zuurstofarme omstandigheden, waardoor bacteriën tot splitsing van nitraat gestimuleerd worden om voldoende zuurstof te krijgen. Daarmee breken ze het nitraat continu af en het vijverwater blijft nitraatarm.

1 liter sera siporax pond heeft hetzelfde biologische afbraakvermogen als ca. 34 liter filtermateriaal van klei.

Berekeningsformule voor sera siporax pond:
Een enkele liter sera siporax pond is voldoende om 1.000 liter vijverwater met 20 vijvervissen met een lengte van 10 cm of een vergelijkbare bezetting (komt overeen met ca. 1,5 kg vis die als kwaliteitsvoeder max. 40 g per dag krijgt) duurzaam van organische belastingen te reinigen.

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SKU: 80069876263

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SM
Fort Morgan, US
★★★★★ 5
Great purchase
Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Purchased several shirts, all were great quality. You never know what you’ll get when you purchase sight unseen, these are worth it. Great value, style, and comfort. Color is exactly what you see online. True to size.
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Reviewed in the United States on November 25, 2025
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Jocelyn
San Leandro, US
★★★★★ 4
Great quality for price
Material Type: Recycled Polyester, Color: Red Stripe, Size: XX-Large
Very impressed with the shirt quality, especially for such a low price. Sizing is accurate.
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Reviewed in the United States on May 21, 2026
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Shawn SnoMan Thompson
Lake Worth, US
★★★★★ 5
For work or casual wear, this polo is a great choice.
Material Type: Recycled Polyester, Color: Port Stripe, Size: X-Large
I really like this polo. I've been wearing it once a week or every other week since November. Its very comfortable and breathable. This polo feels like it should last a while. The fit is good. I typcally wear XL and this XL fits great. I've pruchased it in both burgundy and black so far. I definitely recommend this shirt. For work or casual wear, this will look good.
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Reviewed in the United States on January 11, 2026
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Tech Dad
Pawtucket, US
★★★★★ 5
Great value: These are my go-to work from home shirt
Material Type: Recycled Polyester, Color: Blue, Size: X-Large
I’ve been pleasantly surprised by these shirts and wear them weekly for Zoom calls, since I’m still working from home these days. I figured at the price point it was worth trying them out, and now I’ve bought several in different colors. They aren’t super soft, but they are comfy and look nice. I’m 6’1” ~220 pounds, and the XL slim fit still has plenty of room. I imagine the regular cut is incredibly boxy and oversized. The difference between polyester vs recycled polyester is inconsequential. I typically buy expensive golf shirts, and these definitely aren’t as nice. They are a fraction of the cost though and a great “beater” work shirt / hang out shirt. It’s nice wearing something that looks and feels decent, but if something happens to it, you can toss and it and pick up another for the cost of a chipotle burrito.
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Reviewed in the United States on May 29, 2022
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Espresso
Belleville, US
★★★★★ 3
Great price, not great quality
Material Type: Recycled Polyester, Color: Black, Size: Small
Simple, straight forward all black polo. I am a size medium woman (with some room since I don't like form-fitting) and bought a men's small. Fits perfectly for my frame. Long enough to tuck in for my part-time extra weekend job uniform. Also suitable for the golf course. A little thin, and if you hold it up to light you can sort of see through it. *Not* flowy, soft and smooth fabric like a rash guard/sun shirt - more structured than that. But it's cool and does the job for the price under $10.
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Reviewed in the United States on August 13, 2024

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