unfortunately, im not from SJ. im more peninsula, so i get the hetch hetchy water supply. stuff is sweet. UG seems to do much better when grown emersed. i strongly suggest growing it emersed first then flooding it. it does not like nitrogen enrichment, and doing so will melt your plants. CO2 supplimentation is great, but not necessary. High lighting is obligatory as it will prevent your plant from growing lanky and detaching from the substrate.
it prefers soft, acidic water to do well.
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