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  1. Biopellets & Refugium
  2. Sudden tank change cloudy grey
  3. Biopellets and mini cycle
  4. Is it okay to use BRS Dual Reactor to run GFO and bio pellets?
  5. Kalk and viniger
  6. Questions about 2-part alk-cal additives
  7. Is it necessary to add bacteria after installing bio pellets?
  8. ok help with kalk please
  9. unconventional lowering po4
  10. Can Leaving Lights On Cause Snow Storm?
  11. Help please with initial Magnesium dose
  12. Digital (KH) tester?
  13. Redsea VS Salifert???
  14. Calcium Chloride product for DIY 2 part
  15. river rock in tank?
  16. Nuking Live Rock - Does Biological Filtration Really Come Back?
  17. My tank is to clean, what to do??
  18. Adding Canister Filter
  19. How high is to high alk
  20. 2 part to Calcium reactor....
  21. Please help
  22. Can I dose only Calcium?
  23. GAC Question
  24. Dosing vitamin C
  25. Hanna Iron and Iodine hand checkers
  26. Magnesium NOT Moving After Dosing...Test Kit Problem?
  27. Is pH probe necessary for Calcium reactor?
  28. Conductivity vs Salinity vs Specific Gravity
  29. Vinegar sitting in acrylic container, problem?
  30. magnesium at 1520ppm
  31. Dino! Questions
  32. Best test kits
  33. Help me stop my Alkalinity from rising (!!!)
  34. Determining how long Kalk last when using a Nelson (Kalk) reactor
  35. Carbon Dosing Question
  36. How fast can I raise calcium?
  37. BRS 2-part question
  38. PH Acting Weird
  39. Got a couple of questions about carbon dosing, pellets, and prodibio.
  40. I tested my water last night and
  41. Anybody familar with Red Sea Mg Test Kit?
  42. Calling out all Chemists!!!!
  43. difference bet activated and catalytic carbon??
  44. adding vinegar to kalk to lower PH
  45. Got a question my brain cannot handle
  46. Found a deal on a decent refractometer
  47. Switching to BRS two part
  48. Why is my sg going up?
  49. Dosing help
  50. Potassium chloride question
  51. Strange Tech M Coincidence...
  52. Algae on gravel
  53. what is driving down my alk?
  54. Looking for a good read
  55. what to dose?
  56. pH keeps falling
  57. Alkalinity is very high
  58. RO/DI resin in bulk
  59. Who runs high Potssium?
  60. Mysterious algae
  61. help ID algae
  62. Sulphur reactor to Ca reactor?
  63. Diatom, dino or cyano ... .or
  64. New IO Salt Mix Issues...
  65. id this
  66. redsea max 650
  67. High ph after starting kalk
  68. Effects of low Mag to corals
  69. Biopellets reactor
  70. Nitrite help!
  71. bubble algae only on aquarium walls - why?
  72. algae problem
  73. Starting dosing two part when alkalinity is low
  74. mixing mag. cloride & mag. sulfate
  75. Tank consuming more Ca than Alk
  76. Vinegar Dosing 90g
  77. General chemistry issues
  78. Conductivity/Salinity Conversion Spreadsheet
  79. Need advice. Is my tank ready?
  80. Changes - Mini cycle
  81. Florida Crushed coral from Caribsea !
  82. Cycling has begun... when to add to refug?
  83. Can't keep my calcium in line
  84. Help me with my red bug interceptor calculation
  85. just a ? about cal... an live rock
  86. Accidental overdose of vinegar
  87. Do I really need GFO?
  88. Can you run biopellets, carbon, and GFO, same time??
  89. Bleach Containers for Water Storage
  90. new test results after kalk
  91. Hydrometer help!!
  92. Ph Versus Alk
  93. esv salt mix giving me ammonia readings of 0.25
  94. Ocean's Blend 2- part and Kalk
  95. Nitrate will not go down...
  96. dosed tank and now corals close at night
  97. Parameter Evaluation
  98. nitrate spike after dead fish.
  99. Newly mixed saltwater silt?
  100. Passive sulfur denitrator
  101. Help with Mrs Wages Limewater
  102. Strontium and potassium
  103. Does alk usage change at different levels
  104. Healthy looking tank BUT.....help
  105. Calcium off the scale!!
  106. Alkalinity Overdose --- questions
  107. Need help with mg
  108. Can't raise MG
  109. 20g to 80g. Will my tank cycle again?
  110. BRS Two Part: A question
  111. Water Report for my town, give me opinions
  112. Refractometer???
  113. ORP meter question...
  114. 1.029 salinity
  115. At What Level Does ORP Become A Problem?
  116. Ca going up but Mg going down?
  117. kalk help
  118. bryopsis on dead rock question
  119. Your 1 pick
  120. High ca low alk
  121. Co2 degrading kalk in ato?
  122. pH 7.8 alk 9.8? why is my pH low?
  123. GFO effect on chaeto
  124. a couple of questions about 2-part/kalk solutions
  125. Kalk vs Two part
  126. GFO changed color
  127. Testing water.....is this what ill need?
  128. Any thoughts, ideas?
  129. I'd like to increase my nitrate levels:)
  130. How do we define a "mature" tank?
  131. Gfo
  132. Reef Crystals...
  133. SG, salinity, and conductivity specifics
  134. Dr. Tim's Re-Fresh to fight algae
  135. How Do Nitrates Levels Fall w/o Water Changes?
  136. should i remove my dead snail shells for my display??
  137. Kalk: Is there a standard amount of...
  138. PO4 spike
  139. Reef crystals low alk/calcium
  140. No Coralline Algae
  141. What inside fish poo?
  142. ROW 0.8 Supra Carbon
  143. Bubble algae and cyano
  144. can't maintain calcium
  145. ro/di
  146. Kalkwasser Dose
  147. nitrates test question?
  148. Hydrometer help
  149. dosing
  150. Sodium Carbonate mixing question
  151. calcium levels going up
  152. My First Alk/Mag Tests...Guide me Please.
  153. Can someone please explain the Zeo system
  154. Vinyl Tubing Poisoning?
  155. Help please! Alk monitoring - or Ca monitoring as an alternative
  156. Cleaning lanthanum clog in skimmer injector
  157. critters dying, parametres good?
  158. Po4
  159. hand held ph probe
  160. kalk and vinegar dosing
  161. Interceptor/Red bugs: How long after treatment do you add shrimp
  162. Alkalinity Question
  163. MG Low/ Epson Salt Solution??
  164. Two-Part & Vinegar Dosing
  165. New article on Advanced Aquarist Carbonate vs Bicarbante
  166. Biopellets with vinagear dosing
  167. Cement
  168. Alkalinity drops but Calcium OK
  169. ca and mg affects?
  170. Started using GFO coral looks stressed!
  171. Can anyone tell me what this brown stuff on my glass is?
  172. Compliments of the season to the Chemistry forum
  173. Help with strange Salifert Ca, Mg tests in RO water
  174. Hair algae battle continues...12 months!!!
  175. reef color B ok to raise Potassium
  176. SpectraPure- SpectraZorb ?
  177. Nitrite in new tank
  178. Trying to lower phosphates
  179. Ca, Mg and Alk during Hyposalinity Treatment
  180. Nitrates still elevated... Week 8 of Vodka...
  181. Does Kalk ever go bad?
  182. Zeozym! Looking for Reviews...
  183. pH levels and use of CO2 absorbent
  184. Question for Nilsen (Kalk Stirrer) Users
  185. Algae problem please help
  186. Regenerated GFO Suddenly Stopped Reducing Phosphates
  187. Mg Sulfate or Mg Chloride? Or does it matter?
  188. Different types of GFO
  189. Phosphate Low Range Colorimeter
  190. why test ur water
  191. Can you reuse settled kalkwasser?
  192. Happy Holidays to all in the Chemistry Forum.
  193. Magnesium help needed
  194. Thanks to reef epoxy skimmer crazy!!
  195. ORP Questions
  196. Ozone and ORP, plummeting!
  197. Another dinoflagellates problem
  198. the best 2 part calcium/alkalinity?
  199. Phosphate Help
  200. Gfo and carbon reactor
  201. GAC not activated?
  202. Hazy tank mystery solved
  203. Alk dosing clogs tubbing
  204. RO/DI - Are you happy with your system?
  205. ALK overdose.... 8.0 to 11.6 dKh
  206. What is the chance PO4 would be zero out of tap water?
  207. water change caused snowstorm
  208. What additives do I really need?
  209. RO/DI filters and water softeners?
  210. Anyone notice a mg spike after a water change
  211. Water Chemistry
  212. Murky alkalinity
  213. PO4/alkalinity relationship?
  214. 100-600x magnification of algae cells pre and post peroxide
  215. SPS tips keep dying - HELP
  216. local source for calcium hydrate in nc?
  217. nh3 pad causes nh3? Or live sand?
  218. Mag flake and Dow flake
  219. PO4 vs Cyano
  220. Dosing help
  221. Sulfur
  222. Chemipure?
  223. Mag sulfate or Mag Chloride?
  224. GFO: Possible to Cause Algae Outbreak?
  225. How Long Should I Mix Salt?
  226. Kent Turbo calcium
  227. sugar dosing
  228. Nitrates in fresh salt Mix
  229. Vinegar dosing and STN
  230. Sodium nitrate
  231. Reef crystals brown residue issue pro/con
  232. Question on low Alk usage
  233. Vodka dosing with high DKH level
  234. Stubbornly high Calcium
  235. ? about kalk and vinegar
  236. Temp reduction= no more bryopsis??
  237. Soaking Nori in RODI to reduce PO4?
  238. Trouble keeping the Calcium and Alk stable..
  239. Vinager dosing with Kalk?
  240. Randys mg solution mix question
  241. 1.023 or higher?
  242. salt bags rock solid?
  243. DKh Stuck at 8
  244. Dosing alk
  245. What is this pink algae/bacteria on my live rock?
  246. Another ? about kalk
  247. How fast can I raise alk?
  248. Complicating A Two Car Funeral
  249. Reef Chemist advice needed
  250. Phosphate question