Hate algae? You'll love this sale! We are offering 15% off reverse osmosis systems, cartridges and accessories Wednesday 8/27 and Thursday 8/28 with coupon code PRELABORDAY Best of all, when you purchase your reverse osmosis system from Marine Depot, you'll automatically receive 15% off all your replacement sediment filters, carbon filters, DI cartridges and membranes FOR LIFE. HURRY! Sale ends tomorrow at midnight!