i just bought a 4 stage Barracuda 4 stage RO/DI from J&L. Easy to use and the output tests O phosphates and silicates and TDS is 0. $230 complete. You might get something cheaper off e-bay, but i have no experience with them.
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Fluval Osaka 41g sumpless tank, 250w MH + 130W PC , DIY HOB refugium, Tunze 9002, Koralia 2, Koralia Nano
Toad Stool
Colt Coral
Purple Shrooms
Red Shrooms
Candy Cane Coral
Hammer Coral
Moon Coral
Copper Banded Shrimp..and growing
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