The Hornimann museum in the UK is successfully spawning various corals species. They were adding a supplement to maintain elevated NO3 concentrations, but abandoned this approach in favor of adding more fishes to the system.My nitrates are currently at 1ppm and phos at .03. Ive tried to feed more to raise my nitrate but does not seem to be working. What products are available to slowly raise nitrates. Am i at risk to get dinos with my nitrate so low. My rocks are mostly algea free but ive been seeing occasionally almost hairlike brown algae. It like one or two strands then disappears. The rest of the algea my blenny and astrea snails have been slowly taking down.