

BioGuard Scale Inhibitor, 32 oz, Single Pack
Tax excluded. Shipping calculated at checkout
Description
Pool surfaces Piping Filtration & heating elements. Effective for up to four weeks. Also prevents stains caused by iron, copper and manganese.
FEATURES
- Offers Reliable Protection: Protect your pool from scale formation with BioGuard Scale Inhibitor. This effective scale inhibitor from BioGuard is specially formulated to prevent and control scale build-up, ensuring a well-maintained and balanced swimming pool.
- Concentrated Scale Inhibitor: Say goodbye to unsightly scale buildup and hello to crystal-clear water! Specially formulated to prevent mineral deposits in your pool's plumbing and equipment, Scale Inhibitor ensures optimal performance and extends the lifespan of your pool system by keeping it protected from scale formation.
- Prevents Cloudy Water: High levels of minerals in pool water can cause cloudy water, resulting in costly repairs and inefficient operation. BioGuard Scale Inhibitor is a liquid product engineered to combat the effects of high calcium levels, our formula ensures your pool remains free from unsightly cloudiness, providing you with a pristine swimming experience every time you take a dip.
- Suitable for Use in All Types of Pools: Our versatile product is designed to cater to a wide range of pool setups, ensuring compatibility with all types.
- Tested and Proven Effective: BioGuard products are known for delivering reliable results and making pool care easy. BioGuard carries an extensive line of pool solutions for all needs.
Shipping and Return
Shipping: We ship within the United States only, using USPS, FedEx, and UPS. Enjoy free shipping on all orders.
Orders ship within 1 to 2 business days, and delivery typically takes 4 to 6 business days after shipping, for a total of about 5 to 8 business days from your order date.
Tracking information is emailed once your order ships. We do not currently offer international shipping. See our full Shipping Policy for full details.
Returns: Unused items in their original packaging may be returned within 30 days of delivery. A restocking fee applies to change-of-mind returns, and defective, damaged, or incorrect items are returned free of charge. See our full Refund and Returns Policy for full details.
Warranty
Warranty Assistance: If the product is past the 30-day return window, we are still willing to assist with warranty claims. Please contact us for more information, and we will help guide you through the warranty process


Why buy from us
Sealed, in Date, Straight From the Manufacturer
Pool chemicals lose strength sitting on a shelf, and the grey market is full of repackaged tubs with no lot code on them. Everything we ship arrives factory sealed, with the lot number and expiry printed on the label.
If a product ever turns up short dated, tell us and we will replace it.
About ProstarWhat is Your Water Doing?
Tell us what you are looking at and we will point you at the fix. No chemistry degree required.
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Cloudy or milkyYou can see the water but not the bottom. Usually fine particles the filter is letting through.
Clarifiers and filter aids -
Green, or turning greenAlgae has taken hold. Move fast, it doubles overnight in warm water.
Algaecides and shock -
Itchy skin or red eyesAlmost never the chlorine. It is pH or alkalinity sitting outside the safe range.
pH and alkalinity balancers -
Scale or stains on the wallsChalky white crust or brown patches at the waterline mean hard water or metals.
Stain and scale control -
Chlorine will not holdYou add it, you test, it is gone. Sunlight or phosphates are burning through it.
Stabilizer and phosphate removers -
Closing it for the seasonWhat you put in now decides how much work April is going to be.
Winterizing and cover care
Questions We Get a Lot
Still stuck? Our team answers by email within one business day.
Are these genuine BioGuard and SpaGuard products?
Yes. Every product ships sealed from the manufacturer with current lot codes and expiry dates. We do not sell repackaged or relabelled chemicals.
How fast will my order arrive?
Orders placed before 2pm on a business day ship the same day. Most deliveries land in three to five business days. Shipping is free over $150.
Which chlorine should I use, tablets or granular?
Tablets dissolve slowly and hold a steady level week to week, so they suit routine care. Granular works fast and is what you reach for after heavy rain, a party, or an algae bloom. Most pools run tablets as the base and keep granular on hand.
Can I ship pool chemicals by air or overseas?
Most sanitizers and shock are classed as oxidisers, so they travel by ground only and cannot go by air. Restrictions show at checkout once you enter your address.
What if I ordered the wrong product?
Unopened products can be returned within 30 days. Chemicals cannot be returned once the seal is broken, for safety reasons. Message us before you open anything you are unsure about and we will help you work out what you actually need.
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