fourstate
Aquarium Advice Apprentice
i have had my tank for 3 mo., 92 gal tank 3 in. live sand 65 lbs lr., sump with protein skimmer and bio balls. i have 2 stars numerous crabs, snails, cleaner shrimp,mushroom corals 2 anenomes. everything is doing fine but my fish got a disease so i pulled them out and put them in a quartine tank 2 weeks ago. i have coraline algae growing on the rocks, my question is about my amonia, nitrate levels, i cant get them to 0 my ammonia stays at 25ppm and nitrate 20 ppm nitrite 0 , ph 8.3 i dont have a akaline tester. what could be the causes of this with no fish.