Toilet Cleaner 20L (Bio D). Concentrated Toilet Cleaner This concentrated Toilet Cleaner has a refreshing, lemongrass-based scent, and like all Bio-D products is hypoallergenic and free from petrochemicals, phosphates, preservatives, enzymes and synthetic perfumes. Save cash and plastic by ordering our larger sizes! For best results, we recommend using the product under the bowl rim and leaving overnight, then using a toilet brush to remove the dissolved scale.
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