Winter Pool Cover
30-Day Money Back Guarantee
That's how confident we are in your results. But if you're not thrilled, send it back and we'll refund your purchase.
Close your pool the easy way. Winter Capsule is a dual winter ball that works throughout the off-season to support cleaner water while your pool sits covered — so opening next spring takes less scrubbing and less work. Just place it under your cover at closing and let it do its thing all winter. Designed for pools up to 30,000 gallons and compatible with above-ground, in-ground, saltwater, and traditional systems.
Turn off your filtration system for the winter.
Place the winter capsule in the pool, under your pool cover, as part of your closing routine.
Leave it in place through the off-season — it works through water circulation/liquid replacement, so it's normal for the ball to float vertically. No need to adjust it.
Remove the capsule in spring when you reopen your pool.
Dual 3-in-1 winter protection
Supports easier pool opening next season
Works with the filtration system off — set it and forget it
Fits pools up to 30,000 gallons
Compatible with above-ground, in-ground, saltwater, and traditional pools
Pairs with a pool pillow and cover for a complete closing setup
Is it normal for the winter ball to float vertically?
Yes. The capsule isn't meant to release into the pool directly — it works through water circulation and liquid replacement. Floating vertically is completely normal and nothing to worry about.
Do I keep my filtration system running with the winter ball?
No — keep the system off. Place the ball under your pool cover for the winter and remove it in spring.
What size pool does it work with?
It's designed for pools up to 30,000 gallons and fits most pool shapes and setups, including above-ground, in-ground, saltwater, and traditional systems.
What should I do if my product arrives with damaged packaging?
Contact us at info@poolhacker.com and we'll promptly arrange a replacement for you.
Shipping & Returns
Ships from a local warehouse with free shipping. Covered by our 30-Day Money-Back Guarantee. If anything arrives damaged, email info@poolhacker.com and we'll arrange a replacement. [Add your actual processing/delivery timeframes and return policy here.]
See it in action
This product exceeded my expectations. The quality is outstanding and I would highly recommend it to anyone.
Winter Pool Cover
Product Features Premium
Set It and Forget It
Place one capsule under your cover at closing and leave it — no measuring, no running the filter, no winter upkeep. Remove it in spring.
Easier Spring Opening
Works all off-season to support cleaner water, so reopening your pool takes less scrubbing and less time when the season returns.
Fits Almost Any Pool
Designed for pools up to 30,000 gallons — above-ground, in-ground, saltwater, and traditional systems.
Built for the Full Off-Season
One capsule keeps working from closing to spring, so your pool stays covered and cared for all winter long.
HELPS WITH
Why Choose Us?
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Velinya
Original
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Others
Knock-off
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Simple drop-in setup
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No measuring or mixing
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Works with filter off
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Fits pools up to 30,000 gal
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Set it and forget it
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Yes | No |
Money-Back Guarantee
We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 30 days for a full refund.
CLAIM NOWMoney-Back Guarantee
We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 30 days for a full refund.
CLAIM NOWFrequently Asked Questions
Find answers to common questions about our products, shipping, returns, and more.
Just choose your quantity, click "Shop Now," and follow the checkout steps. Enter your shipping details and payment info, and you'll get an order confirmation by email right away.
What payment methods do you accept?
We accept all major credit and debit cards (Visa, Mastercard, American Express) and [list your others — Shop Pay, PayPal, Apple Pay, Google Pay, etc. Pull this from your Shopify payment settings so it's accurate.]. All payments are processed securely.
We accept major credit cards, PayPal, Shop Pay, and Apple Pay for your convenience and security.
Standard shipping typically takes 3-5 business days within the continental US. International shipping times vary by location.
We offer a 30-day return policy. If you're not satisfied with your purchase, you can return it within 30 days for a full refund or exchange.