HTH Filter Cleaning liquid

1 Litre bottle recommended for hot tubs and whirlpools to clean deposits from cartridge or sand filters.

• Technical cleaner developed in close cooperation with filter manufacturers and suppliers
• Very high active ingredient content
• Highly effective against limescale deposits
• Excellent cleaning effect
• Easy to use due to the violet color
• Adapted to all classic pool filter types, except activated carbon filters (aquaristics, drinking water production, etc.)

Application:

Cartridge filter

• Dissolve filter cleaner in a container with water
• IMPORTANT: The filter cartridge must be completely covered by the water
• Add ½ liter of filter cleaner to 5.0 liters of water 
• Leave on for a good 2 hours
• Then brush off the cartridge and rinse under running water

Sand filter

• 1.0 Put filter cleaner directly into the open filter on the sand
• leave on for about half a day
• Backwash filter for at least 1 minute