Doheny's Super Pool Shock - Fast-Acting 68% Cal-Hypo Chlorine

In this review of Doheny's Super Pool Shock the bottom line is straightforward: this product is for pool owners who need a reliable, fast-acting chlorine boost to clear algae and contaminants quickly. Packaged as 24 pre-measured 1lb bags, the shock is especially useful for routine maintenance, spring openings, and tackling heavy algae blooms without measuring. The reviewer found it effective at raising chlorine levels fast and praised the convenience of one-pound packets, which reduce fuss and dosing errors for aboveground, inground, and salt pool users alike.

Key Features

• Fast-Acting Chlorine: Instantly raises chlorine levels to eliminate algae and common contaminants so water clears faster after treatment.
• Pro-Grade Formula: Contains 68% calcium hypochlorite with 65% available chlorine for a powerful, concentrated shock that lasts through treatment.
• Pre-Measured Convenience: Comes in 24 one-pound bags so users can apply a consistent dose without measuring or spilling powder.
• Clear Dosage Guidance: Instructions recommend 1lb per 10,000 gallons and suggest 2-3 doses for spring openings or heavy algae, simplifying treatment plans.
• Made in the USA: Produced by a family-owned company with over 50 years of pool supply experience, adding confidence in quality and sourcing.

Who It's For

Pool owners who value convenience and potency will like this shock: the pre-measured 1lb bags make it easy for DIY maintenance, while the 68% cal-hypo strength suits larger pools or rapid remediation needs. Those with salt systems or regular algae problems will appreciate the clear, fast chlorine boost.

It may not be the best choice for someone who needs a non-calcium option or who prefers liquid shock products; also users who require ultra-slow-dissolving formulas for special equipment should consider alternate chemistries. Overall, it fits most residential pool maintenance routines.

Pros & Cons

Pros

• Powerful cal-hypo formula delivers a rapid chlorine spike for quick algae control.
• Pre-measured 1lb bags reduce mess and make dosing simple for any user.
• Trusted, family-owned brand with decades of pool supply experience.
• Clear dosage instructions for routine and heavy-use scenarios.

Cons

• Some users report variation in dissolve speed, so occasional stirring or longer circulation may be needed.
• As a granular cal-hypo, it adds calcium and is not ideal if a non-calcium shock is required.

Specifications

Product	Doheny's Super Pool Shock
Active ingredient	Calcium hypochlorite (68%)
Available chlorine	Approximately 65%
Pack size	24 x 1lb bags
Dosage guidance	1lb per 10,000 gallons; 2-3 doses for spring openings or heavy algae
Made in	United States

Our Verdict

Doheny's Super Pool Shock is a solid choice for homeowners who want a straightforward, strong cal-hypo shock that is easy to apply and effective at clearing cloudy or algae-prone pools. The one-pound sachets and clear dosing make it good value for routine maintenance, while the high available chlorine ensures quick results when a fast treatment is needed.

Frequently Asked Questions

How much do I use per treatment?
Use 1lb per 10,000 gallons as a standard dose; for spring openings or heavy algae apply 2-3 doses as directed.

Will this product dissolve quickly?
It is designed to dissolve in circulation, and many users report fast dissolution, though some note it can require additional circulation or stirring in pockets.

Is this safe for saltwater pools?
Yes, customers report good results in salt systems, but follow pool chemistry best practices and test chlorine and calcium levels after treatment.