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DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound
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DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound
For best results, see the Water Balance section above before treatment.
DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound
Item #: 88890583

DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound

Item #: 88890583

SGD 46

Price Details

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*All items will import from US

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Order now and get it around Wednesday, July 15
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For best results, see the Water Balance section above before treatment.
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What Stands Out

Effective Sanitizer
Calcium hypochlorite rapidly eliminates bacteria and contaminants, ensuring safe swimming conditions in pools by maintaining crystal clear water.
Easy to Use
This 1-pound package is user-friendly and dissolves quickly, making it convenient for pool owners to maintain optimal water quality with minimal effort.
Long Shelf Life
With a stable formulation, this pool shock offers an extended shelf life, allowing users to stock up without worrying about rapid degradation or loss of effectiveness.

Product Details

Shop DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound online at a best price in Singapore. B0CTL14MH7
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Pool Owners

    Ideal for regular pool maintenance, ensuring clean water and preventing algae growth effectively with strong chlorinating action.

  • Spa Users

    Beneficial for homeowners with spas, providing a quick solution to maintain hygiene and clear water for relaxation.

  • Emergency Treatment

    Useful during emergency situations, such as water contamination, ensuring quick disinfection for safe swimming conditions.

Not Suitable For
  • Non-Pool Use

    Not suitable for indoor or other non-pool applications where chlorine use is unnecessary and may be hazardous.

  • Sensitive Skin

    Users with skin sensitivities may experience irritation from high chlorine levels, necessitating gentler alternatives for their needs.

  • Unsuitable Storage

    Not recommended for individuals lacking proper storage, as Calcium Hypochlorite can degrade if improperly stored, reducing effectiveness.

Product Description

DryTec 1-1901 Calcium Hypochlorite Pool Shock, 1-Pound

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Calcium Hypochlorite Pool Shock used for?

    Answer: Calcium Hypochlorite Pool Shock is primarily used for sanitizing swimming pools by effectively killing bacteria, viruses, and algae. This powerful oxidizer helps maintain clean and clear water, making it safe for swimming. Regular shock treatments assist in breaking down organic contaminants like sweat and sunscreen, ensuring a healthy pool environment. For best results, it is recommended to shock your pool after heavy usage or during the peak summer months.
  • Question: How often should I use Calcium Hypochlorite Pool Shock?

    Answer: The frequency of using Calcium Hypochlorite Pool Shock depends on pool usage and environmental factors. Typically, it is advisable to shock your pool every 1-2 weeks to maintain water clarity and sanitation. After heavy rain, a pool party, or high temperatures, a shock treatment is essential. Regular shocking helps prevent the buildup of harmful bacteria and keeps the water sparkling clean, providing a safe swimming experience.
  • Question: How do I add Calcium Hypochlorite Pool Shock to my pool?

    Answer: To add Calcium Hypochlorite Pool Shock, first, dissolve the calcium hypochlorite in a bucket of water to prevent cloudiness in the pool. Once dissolved, gradually pour the mixture around the perimeter of the pool while the pump and filter are running. It’s crucial to ensure proper circulation for effective distribution. Shocking your pool after sundown is recommended to maximize the effectiveness of the treatment without immediate degradation from sunlight.
  • Question: What are the safety precautions when using Calcium Hypochlorite Pool Shock?

    Answer: Safety is paramount when handling Calcium Hypochlorite Pool Shock. Always wear protective gloves and goggles to prevent skin and eye irritation. Store the product in a cool, dry place away from direct sunlight and moisture to prevent it from decomposing. Additionally, never mix it with other chemicals, especially acids, as it can cause dangerous reactions. Following these precautions ensures a safer experience while maintaining your pool.
  • Question: Can Calcium Hypochlorite Pool Shock be used in saltwater pools?

    Answer: Yes, Calcium Hypochlorite Pool Shock is safe for use in saltwater pools. However, it’s important to monitor the chlorine levels closely as both calcium hypochlorite and saltwater chlorine generators contribute to overall chlorine levels. Using this shock treatment can help supplement the chlorine levels in your pool, especially in times of high usage or during algae blooms, ensuring clear and safe water.
  • Question: What are the benefits of using a Calcium Hypochlorite Pool Shock product?

    Answer: One of the main benefits of using Calcium Hypochlorite Pool Shock is its rapid dissolving action, making it a highly effective and fast way to elevate chlorine levels in the pool. It provides superior sanitization, preventing the growth of harmful microorganisms. Additionally, it helps to clear cloudy water and improves overall water quality, creating a more enjoyable swimming environment for families and friends.
  • Question: How should I store Calcium Hypochlorite Pool Shock?

    Answer: Calcium Hypochlorite Pool Shock should be stored in a cool, dry, and well-ventilated area, away from moisture and direct sunlight. Ensure the container is tightly sealed to avoid moisture exposure, which can cause decomposition. Proper storage is essential to maintain the product's effectiveness. Following these guidelines will extend its shelf life and ensure it remains potent when needed for your pool maintenance.
  • Question: Does Calcium Hypochlorite Pool Shock have an expiration date?

    Answer: Calcium Hypochlorite Pool Shock does have a shelf life, typically around 2-3 years if stored properly. Factors like heat, humidity, and exposure to air can significantly affect its potency over time. Always check the packaging for any specific expiration date and ensure proper storage conditions to maximize its effectiveness. Using fresh products means better results in maintaining your pool's cleanliness and safety.
  • Question: What happens if I use too much Calcium Hypochlorite Pool Shock?

    Answer: Using too much Calcium Hypochlorite Pool Shock can lead to excessively high chlorine levels, which may cause skin and eye irritation for swimmers and can also result in cloudiness in the water. If you suspect overuse, it’s advisable to refrain from adding more chlorine and allow the pool to circulate and dissipate the high levels naturally. Testing the water regularly can help maintain proper chemical balance.
  • Question: Where can I buy 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack?

    Answer: You can purchase the 1-1901-12 Calcium Hypochlorite Pool Shock, 1-Pound, 12-Pack from Ubuy. They offer various options and convenient purchasing methods to ensure you get this essential pool maintenance product easily delivered to your doorstep in Singapore.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

SGD 46

Order now and get it around Wednesday, July 15

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Use the entire contents of the bag for optimal effect.
  • Maintain pH between 7.2 to 7.6 for clear water.
  • Shock treat your pool weekly using one bag per 10,000 gallons.
  • Test chlorine residual after adding the product.
  • Disperse granules evenly in the deepest part of the pool.
  • Follow label directions for best performance.