Stay ahead with the latest news, insights, and trends in the swimming pool industry
Through Poolking's news, stay updated on sand filter developments and key trends shaping the swimming pool industry. As a top Chinese manufacturer with 20 years of intelligent sand filter production, we partner with foreign distributors and wholesalers, offering a range of essential swimming pool products. At Poolking, we don’t just produce equipment—we build trust through every process, from raw material to final shipment. As a forward-thinking Swimming Pool Equipment Manufacturer, our production line reflects our commitment to innovation, quality, and customer satisfaction. Whether you're a distributor, contractor, or pool owner, you can count on Poolking to deliver solutions that perform reliably and look exceptional. Contact us for a quote!
A floating or unstable pool ladder is a serious safety risk. Learn why your pool ladder will not stay down, how to weigh it properly, remove trapped air, secure anchors, and keep swimmers safe with simple, practical fixes. Read More
Dealing with a wobbly pool ladder? Learn the main causes—loose bolts, rust, poor anchoring, uneven bases, and lack of weight—and follow practical steps, safety tips, and FAQs to stabilize your in‑ground or above‑ground pool ladder. Read More
Learn how to clean a DE pool filter step by step, including backwashing, deep-cleaning grids, and recharging with DE powder. Discover when to clean, how much DE to add, and tips for crystal-clear pool water. Read More
New pool filters range from budget sand systems to premium DE units, with typical installed costs between 250 and 1,700 USD. Learn how filter type, size, brand, and installation choices affect what you will actually pay for clear, safe pool water. Read More
Learn what your pool filter pressure should be, how to find your system's normal psi, and how to fix high or low readings. Discover ideal ranges for sand, DE, and cartridge filters, plus pro maintenance tips and FAQs. Read More
Learn how to clean pool filter balls step by step for crystal‑clear water and efficient filtration. Discover hose‑and‑soak and washing‑machine methods, ideal cleaning frequency, drying tips, and replacement guidelines to keep your pool system running at peak performance. Read More
Pool filter balls are a lightweight, high‑performance replacement for sand, but you must add the right amount for safe, efficient filtration. This guide explains how to convert from sand weight, size different filters, and keep your pool water crystal clear. Read More
Learn how to backwash a DE pool filter step by step, including when to backwash, how to set the valve, how long to run backwash and rinse, and how to add fresh DE for crystal‑clear pool water and top filtration performance. Read More
This guide explains where to purchase sand for a pool filter, how to choose the right #20 silica or alternative media, and what to consider when buying from hardware stores, pool retailers, online platforms, or OEM/bulk suppliers. Read More
Learn how to operate a pool filter step by step. This in‑depth guide covers sand, cartridge, and DE filters, multiport valve settings, daily run time, backwashing, safety tips, and troubleshooting to keep pool water crystal clear. Read More
Learn how to change a Hayward pool filter step by step, including sand, cartridge, and DE models. Discover safety prep, tools, media replacement, startup tips, and pro troubleshooting to keep your pool crystal clear all season. Read More
Air trapped in your pool filter can weaken circulation, cloud the water, and stress equipment. This guide explains how to safely bleed air from sand, cartridge, and DE filters, why it matters, and how to prevent air from returning. Read More
