Dolphin M600 review

The Dolphin M600 (Maytronics Product No. 99996650-US; UPC 810071228308) is a corded cleaner in the manufacturer’s U.S. residential range. Its exact product page lists an in-ground pool ceiling of 50 ft, floor, wall and waterline coverage, MyDolphin Plus, a caddy and an additional Ultra-Fine Filter Kit in the box. This review evaluates those documents, not a hands-on test or a promise that every pool shape and surface will be cleaned.

Read 50 feet as a pool rating, not cord reach

The 50-ft number is the manufacturer’s maximum pool length. It does not tell you how long the floating cable is, how far an outlet may be from the water, or whether the cable can trace a particular layout around corners, stairs or other equipment. The exact page identifies the M600 as a Wi-Fi-connected, corded configuration, and its page-linked image shows the M600 body with a blue cable attached. Neither source gives a cable-length specification. If your pool is near the listed ceiling or has a complicated route, verify the exact installation instructions and outlet arrangement before treating the rating as a fit guarantee.

The same product table names floor, walls and waterline together and classifies the listing for in-ground pools. It also lists rectangular, round, free-shape and kidney shapes. Those are useful scope markers, but they do not document a particular finish, slope, transition or shallow-feature boundary. Steps and sun ledges are not named on the exact U.S. page, and no minimum step depth is supplied. I would not shortlist this model on the assumption that it can clean a particular shelf or stair profile.

Scheduling and app availability are listed; every command is not

The M600 product attributes give a two-hour default cycle and list 1.5-, two- and 2.5-hour durations, along with a delay feature and weekly timer. The page names MyDolphin Plus and Wi-Fi and records Automation Mode as “Yes,” but does not explain that mode’s behavior. These fields show that the manufacturer advertises app and schedule options. They do not establish a particular phone command, remote steering or cleaning result in a real pool.

The documentation bridge is incomplete. The exact-number U.S. product page links to a Maytronics manual portal queried for 99996650-US, but that portal says no product was found. I also located an official English PDF whose title names M600 alongside ZENIT 60, ACTIVE X6 and ACTIVE ULTIMATE. That family manual does not identify the exact U.S. retail number, so I have not assigned its model-dependent depth, supply-placement, safety, setup or app directions to this product record. Ask Maytronics or the seller to confirm which instructions apply to the exact M600 suffix before installation or operation.

The filter listing and the add-on list answer different questions

The exact U.S. page calls the filter type Multi-Layer, lists top access and a full-filter indicator, and separately states that an additional Ultra-Fine Filter Kit is in the box. It gives no particle-size grade, panel count or precise kit part number. “Ultra-Fine” therefore supports a package-level preference in this comparison, but it is not a micron specification. If filtration grade is central to your decision, request the exact included kit details for Product No. 99996650-US rather than relying on the marketing label alone.

Maytronics separately displays five add-ons: two caddy covers, a Super Ultra-Fine Filter Kit S2, Ultra-Fine Debris Filter Panels and Fine Debris Filter Panels. Their presence in an Add-On Accessories section does not prove M600 compatibility or inclusion. The product attributes do say that a caddy is included, but they do not say that either cover is in the cleaner carton. Keep the exact package number and any desired accessory in view when comparing a retailer offer.

How the M600 differs from the M550 listing

The M600 and M550 are separate U.S. configurations, not one interchangeable model: their listed product numbers and UPCs differ. Their headline descriptions overlap, including a 50-ft pool ceiling, floor/wall/waterline coverage, MyDolphin Plus, a caddy and an additional Ultra-Fine kit. The exact M600 table adds selectable 1.5-, two- and 2.5-hour durations and an explicit full-filter indicator; the exact M550 table instead lists a two-hour default without enhanced cycles and says no full-filter indicator. Their filter-type fields also differ—Multi-Layer for M600 and Combine Filter Kit for M550. Those page labels support comparing advertised features, not a conclusion about filtration quality, shared parts or hardware interchangeability. Verify the model suffix on the offer and carton.

Who should keep it in the comparison?

The M600 is a document-supported candidate if you want a corded in-ground listing with all three named coverage areas, a 50-ft pool-length rating, schedule/app availability, an included caddy and an additional Ultra-Fine kit. The tradeoffs are important: no exact U.S. manual was returned, the family manual does not identify the retail SKU, cable reach and model-specific depth limits remain unconfirmed, and steps are not documented. Its three-year warranty field is not the full written warranty or proof that a particular seller qualifies.

Before choosing an offer, match the cleaner, carton and instructions to Product No. 99996650-US and UPC 810071228308; confirm the filter kit and any desired caddy cover; check the actual pool and cord route against instructions Maytronics confirms apply; and review seller, service and warranty terms. This assessment relies on manufacturer records and an inspected exact-model image. It does not claim ownership, laboratory testing, measured cleaning performance, current stock, a price or customer experience.