Fluval SPEC / EVO / FLEX foam block Size:2.1-oz 20% min Phosphorus 1% min

20% min Phosphorus 1% min Potassium 0

PLEASE NOTE: As this product is natural pet medicine

This shifts the pK of the buffering system further towards 7

HomeoPet WRM Clear is a natural homeopathic medicine that can be safely used on dogs and cats of all ages and may even be used on birds

Ingredients: Calcium chloride

Fluval SPEC / EVO / FLEX foam block Size:2.1-oz 20% min Phosphorus 1% minThe block of filter foam for Spec, Evo and Flex aquariums provides effective mechanical filtration by trapping large particles and debris. The filter foam block is suitable for the following aquariums: Evo 19 L (5 US gal) (10528) Evo 52 L (13. 5 US gal) (10531) Spec 10 L (2. 6 US gal) (10515 and 10517) 19 L (5 US gal) spec (10516 and 10518) 34 L (9 US gal ) flex (15004) Characteristics Specially designed for Spec, Evo and Flex Fluval table aquariums;