Powerful chlorine shock will give your pool an extra boost of fighting power to eradicate the and other contaminants that have accumulated in your pool over the winter. Suitable for small pools with capacity of 5,000 gallons.
Widely Used: Our Pool Chlorine Kit as Perfect pool supplies and accessories can be used to swimming pool, spa, hot tubs, bathtub, aquarium, spa, hot spring pool, kids pool/kiddie pool, fish tank and water park.
Prevent sunlight, use longer.This product does not contain copper and will not dye anyone's hair green.
Suitable for swimming pools with a capacity of 5,000 gallons. Use 7 tablets per 2,500 gallons of water per week to get clear pool water!

size:20x30cm
Material:PE
colour:Blue+White+Black

Package Contents:
1 * 100g swimming pool effervescent tablets
1 * dosing device
1 * test paper

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.