GRISUN 7599 Griddle for Weber Genesis II 300/600 Series - Cast Iron

In this review the GRISUN 7599 griddle is evaluated as a straightforward way to convert compatible Weber Genesis II grills into a partial flat top. It is aimed at backyard cooks who want a stable, heat-retaining surface for eggs, pancakes, vegetables and delicate proteins without buying a dedicated flat-top grill. The single biggest reason to consider it is its porcelain-enameled cast-iron construction with 5mm thickness, which delivers even heat distribution and strong heat retention for consistent results across the cooking surface.

Key Features

• Compatibility: Fits multiple Genesis II 300, 400 and 600 series models so owners of E-310/315/325/330 and LX E-640 grills can use it without modification.
• Durable construction: Porcelain-enameled cast iron resists warping and holds heat, giving steady cooking temperatures for searing and griddle-style foods.
• Even heating: At about 5mm thickness there are minimal hot spots, which helps deliver uniform browning across the 18.9 in by 13.2 in cooking area.
• Grease management: The stepped, sloped cooking surface with drain hole directs grease away from food into the grill drip pan to reduce flareups and simplify cleanup.
• Conversion convenience: Lets a gas grill function as a partial flat top so you can cook whole meals outside without investing in a separate griddle appliance.

Who It's For

This griddle is best for owners of compatible Weber Genesis II models who want to broaden their outdoor cooking options. It is particularly useful for people who cook breakfast foods, seafood, vegetables or delicate items that benefit from a flat, evenly heated surface and for those who appreciate cast iron heat retention.

It is less appropriate for someone who needs a full-size commercial griddle or prefers nonstick surfaces for very low-maintenance cooking. If a different diameter or a full-width griddle is required, buyers should verify model compatibility or consider a purpose-built flat-top grill.

Pros & Cons

Pros

• Solid heat retention from porcelain-enameled cast iron for consistent cooking.
• Designed to fit a long list of Genesis II 300/400/600 and LX models, simplifying installation.
• Sloped, sunken surface with drain hole improves grease control and reduces flareups.
• Converts a gas grill into a versatile partial flat top for a variety of foods.

Cons

• Cast-iron weight and care needs mean occasional seasoning and careful handling are required.
• Size fits specific grill models only, so it is not universal across all grills.

Specifications

Material	Porcelain-enameled cast iron
Dimensions	18.9 in L x 13.2 in W x 1.5 in H
Thickness	Approximately 5 mm
Compatible models	Genesis II 300, 400, 600 and LX 300/400/600 series (select E, S, SE, CE, CSE models)
Drainage	Sloped cooking surface with drain hole to oil drip pan
Included warranty	12 months

Our Verdict

The GRISUN 7599 griddle is a practical, cost-effective upgrade for owners of compatible Genesis II grills who want the functionality of a flat top without buying a second appliance. Its porcelain-enameled cast iron construction and thoughtful drainage make it good value for cooks who value even heat and grease control; just be prepared for the weight and routine cast-iron care.

Frequently Asked Questions

Will this fit my Genesis II grill?
Check your model: it is made for many Genesis II 300, 400 and 600 series and LX variants such as E-310, E-330, E-610 and E-640; confirm model compatibility before buying.

Does it need seasoning?
The porcelain enamel finish reduces initial seasoning needs, but light seasoning and proper cleaning will protect the surface and prevent rust on exposed cast iron edges.

How does grease drainage work?
The cooking surface is sloped and sunken with a drain hole so grease flows away from food into the grill drip pan, lowering flareups and easing cleanup.