SeaKlear 90-Day Algae Prevention & Remover, 1 gal Bottle | 90311SKR
SeaKlear
SKU: 90311SKR
SeaKlear 90‑Day Algae Prevention & Remover, 1 gal Bottle | 90311SKR
SeaKlear 90311SKR is a professionally-formulated liquid algaecide that offers a 90-day algae prevention guarantee when used according to directions in properly maintained pool water. This long-lasting treatment safely kills and prevents multiple types of algae—blue-green, green, yellow, black, and mustard—using a low-dose copper-based solution.
Key Features:
- One dose provides up to 90 days of algae protection and removal
- Controls and prevents various algae types: blue-green, black, mustard, green, and yellow
- Non-foaming and non-staining formulation when used as directed
- Economical copper sulfate pentahydrate solution (~11.8% concentration, ~3% elemental copper)
- Effective broad-spectrum product with long-lasting residual activity
Technical Specifications:
- Manufacturer: SeaKlear (Bio-Lab Inc.)
- Part Number / SKU: 90311SKR
- Container Size: 1 gallon (128 fl oz / 3.785 L)
- Active Ingredient: Copper Sulfate Pentahydrate (~11.8%), Elemental Copper ~3%
- Form: Liquid (blue)
Directions for Use:
- Ensure pool chemistry is balanced (pH 7.2–7.8, total alkalinity 80–120 ppm).
- For routine maintenance (every 3 months): add 16 fl oz per 10,000 gal.
- For severe algae blooms: add 32 fl oz per 10,000 gal.
- Brush the pool thoroughly before application and ensure filtration is operational.
- Pour the product near a return jet for better dispersion; dilute in water when applying to plaster finishes.
- Continue using a registered sanitizer (e.g. chlorine) alongside this product.
Benefits:
- Reduces maintenance frequency—just one application every three months
- Helps maintain clear, algae-free water without routine algaecide dosing
- Safe on most pool surfaces and finishes if used as directed
- Excellent performance and value in a single gallon bottle
Tip: Store the bottle tightly sealed in a cool, dry place. Always measure carefully and follow safety instructions on the label.
SKU: 90311SKR
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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