Directions for Use:

General Instructions (Printed instructions and application variations included with each kit) :

1. Put on appropriate safety protective equipment, including gloves, safety glasses with eye shields, and protective apron.
2. Turn item being descaled off. If the item uses electrical power such as an air conditioner or refrigerator, disconnect power to the device.
3. The idea is to locate the pump in the bucket (both suppled in the flush kit) and use the pump to flow the descaling solution through the coolant loop and then back into the same bucket (Flushing the solution around the loop for at least 10 minutes.)When possible, flush in the flow direction opposite to the normal direction of sea water flow, however, in the case of outboard motors this is typically not possible.Exact flushing configurations vary per application. See drawings to the right for examples of possible flushing configurations.

   For outboards, if a hose fitting for engine flushing is not part of the outboard, an ear-muff-type flushing fitting (not supplied) will be necessary.

4. Mix sufficient MM Descaler™ flushing solution to fully submerge the pump with the diluted flushing solution. Can be used full-strength or diluted up to 5 parts water to 1 part MM Descaler™. Additional quarts (p/n MM7712) or gallons (p/n MM7710) of concentrated Descaler flushing solution may be required for large systems. Be sure to have enough solution to keep the pump submersed when in use. Operating the pump in the open air will increase wear and decrease the life of the pump.
5. Plug pump into grounded ground-fault receptacle.
6. Allow the pump to circulate MM Descaler™ solution through for 10-15 minutes. If the red MM Descaler™ solution turns yellow at any time then add additional MM Descaler™ to the bucket to get the red color back again and operate at least 10 minutes more. The system is clean when the red color is retained for at least 10 minutes. When completed unplug pump before removing any hoses.
7. Completely disconnect the flushing hoses, draining any solution into the bucket.
8. Remove the pump from the bucket, draining any solution into the bucket.
9. Discard the used MM Descaler™ solution.
10. Flush the system with fresh water from a garden hose for 2-3 minutes after the water flows clear.
11. Disconnect the black hose from the pump
    and remove the pump from the bucket.
12. If any hoses were removed to attach the flushing hoses, replace them and check for leak-tight connections.
13. Flush systems at least annually, more frequently if biological growth or flow restrictions are evident.

MM7710 QwikDescaler+^™
(1 Gallon) Concentrated biodegradable Calcium, Lime, Rust & Scale Remover. 1 gallon makes 6 gallons.
MM7712 QwikDescaler+^™
(1 Quart) Concentrated biodegradable Calcium, Lime, Rust & Scale Remover. 1 quart makes 6 quarts

• Quickly dissolves water scale, lime, rust, and other water formed deposits.
• Restores full efficiency to heat exchangers, heaters, tankless water heaters and any other appliances where flow passages must be kept free of mineral deposits
• Keeping heating passages free of mineral deposits significantly improves efficiency, conserves energy, reduces engergy costs and extends the life of equipment.
• Unique Color indicating Chemistry…Tells you when more Descaling solution is needed and when cleaning is complete

• • At working strength, the descaling solution will appear reddish. When the descaling solution is exhausted and no longer working, it turns yellowish indicating that more QwikDescaler+^™ should be added. The system is clean when the reddish color is retained for 10 minutes.
• Safely Restores Equipment to Full Efficiency and Opens Flow Passages
• Calcium scale deposits cause significant reductions in heat transfer, resulting in reduced efficiency, reduced capacity and increased energy costs. A thin layer of scale, as small as three hundreths of an inch (0.03 inch), can increase energy consumption and the cost of operation by 30%.