Fuel Problems? Treat the cause, not the symptom! ALGAE-X Magnetic Fuel Conditioners eliminate clogged and slimy filters, dark, hazy fuel, sludge build up in tanks, loss of power and RPM, excess smoke, corroded, pitted injectors, and foul odor. LGX-200 sized for 1/4" port size, up to 25 GPH flow, and engines rated at up to 200 HP.