Sealand Max Control Granulated Tank Treatment, 12-Pack of 1.5 oz Drop-Ins for Marine Holding Tanks

The Sealand Max Control Granulated Tank Treatment is a 12-pack of 1.5 oz drop-in packets designed to control odor in marine waste holding tanks without formaldehyde. Each packet is a fast-dissolving, granulated formula that drops directly into the holding tank for quick, mess-free treatment, eliminating the need to measure and pour a liquid chemical. One packet treats up to a 40-gallon (151 L) holding tank, making it easy to dose the right amount for tanks of different sizes aboard a boat.

The formula is built for powerful, long-lasting odor control, remaining effective even in hot weather when tank odors tend to intensify. It keeps the tank interior clean and leaves a fresh, clean scent rather than masking odor temporarily. The treatment is 100% biodegradable and non-toxic, and it is compatible with MasterFlush electric macerator toilets as well as SeaLand gravity-discharge toilets, making it a versatile choice for most marine sanitation systems.

Packaged as 12 individual 1.5 oz drop-in packets, this treatment is well suited for boaters who want a convenient, no-mess way to maintain a clean, odor-free holding tank throughout the boating season.

Specifications

• Brand: Sealand
• Manufacturer Part Number: 9620000730
• Package Quantity: 12 packets
• Packet Size: 1.5 oz per drop-in packet
• Format: Granulated drop-in packets
• Tank Capacity Treated: Up to 40 gallons (151 L) per packet
• Compatible Toilet Types: MasterFlush electric macerator toilets and SeaLand gravity-discharge toilets
• Formaldehyde-Free: Yes
• Biodegradable: 100% biodegradable, non-toxic
• Scent: Fresh, clean scent
• Weight: 1.23 pounds
• Package Dimensions: 17.5 inches x 11.5 inches x 3.5 inches

Frequently Asked Questions

How many packets come in the Sealand Max Control Granulated Tank Treatment 12-pack? The 12-pack includes twelve individual 1.5 oz granulated drop-in packets, one for each tank treatment application.

How large a holding tank does one packet treat? One packet of Sealand Max Control Granulated Tank Treatment treats a holding tank up to 40 gallons (151 liters) in capacity.

Does this tank treatment contain formaldehyde? No, Sealand Max Control Granulated Tank Treatment is formulated without formaldehyde while still providing powerful odor control.

Is Sealand Max Control Granulated Tank Treatment biodegradable? Yes, the formula is 100% biodegradable and non-toxic.

What toilet systems is this tank treatment compatible with? It is compatible with MasterFlush electric macerator toilets and SeaLand gravity-discharge toilets.

How do I use the drop-in packets? Simply drop one 1.5 oz Sealand Max Control packet directly into the holding tank; the granulated formula is designed to dissolve quickly without measuring or pouring.

Will this treatment work in hot weather? Yes, Sealand Max Control Granulated Tank Treatment is formulated to provide powerful odor control even in hot weather, when holding tank odors are typically strongest.

Does the granulated treatment leave a scent, or does it just eliminate odor? Sealand Max Control leaves a fresh, clean scent in addition to controlling tank odor, rather than only masking it.

What is the difference between this granulated drop-in treatment and a liquid tank treatment? Unlike liquid tank treatments that require measuring and pouring, the Sealand Max Control packets are pre-measured 1.5 oz granulated drop-ins that dissolve quickly once placed in the tank.

What is included in the 12-pack? The package contains twelve 1.5 oz granulated drop-in packets of Sealand Max Control Tank Treatment, with no additional accessories.

How much does the Sealand Max Control 12-pack weigh? The 12-pack of Sealand Max Control Granulated Tank Treatment weighs 1.23 pounds.