No, the Granoflour® sand is water-neutral. It does not affect the water equivalents, neither the hardness nor the pH.
ANGEBOTE
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AquaKeramik Crayfish tube Shrimp tube GKR0 Ø approx. 8 mm - Special item Bisher bei uns
1,50 €1,00 €Includes 19% MwSt. DEplus shippingDelivery Time: sofort lieferbar -
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Side entrance cave Ø 35 mm x ca. 10-13 cm Bisher bei uns
4,50 €2,50 €Includes 19% MwSt. DEplus shippingDelivery Time: not specified