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  1. low pH
  2. Should I use B-Ionic?
  3. New product
  4. Ph and Borax question?
  5. Smoke/heat damage to product
  6. Ca reactor media volume
  7. Washing soda, long term use
  8. Skimming
  9. Can LR act like GAC as far as phosphates
  10. using baking soda
  11. A question for the chemists.
  12. Measuring Fresh Water Hardness with Salifert Tests
  13. Salifert test kits question
  14. Antony Calfo's limewater dosing
  15. salifert Amonia question
  16. PH 7.7 Help
  17. Randy, Science Project Help Please!!
  18. Question on Sailifert KH/Alk test kit
  19. Salt -mix precip.
  20. Kalkwasser
  21. 3 easy questions
  22. HELP RANDY!! PLEASE!! pKa of bromcresol green
  23. Ok chem geeks...need a challange?!
  24. Coil Denitrator attached to reactor
  25. Saltwater evaporation rates.
  26. high alk, low calc question;
  27. Foam fractionation information
  28. everpure water purifier / DI = good or bad?
  29. Salifert Nitrate Kit Question
  30. Effluent question, based on Randy's CO2 article
  31. Problems maintaining tank balance ...
  32. Salifert says 4.2 dKH...
  33. CO2 Saturation Point in NSW?
  34. Too much B-Ionic?
  35. Calcium Question
  36. Salifert Calcium kit users
  37. Yet a few more calc/alk question
  38. High ALK from Salifert
  39. what does a teaspoon of Turbo Calcium weigh?
  40. Baking soda?
  41. Randy and Habib; Home Grown pH Buffer Solutions
  42. CA reactor recirc rates?
  43. How do i correct High Alk?
  44. pH downward spiral during photoperiod..HELP
  45. Washing Soda ?????????
  46. Symbols and Greek Letters in posts!
  47. Chronically low(er) PH
  48. Detoxifying salt mixes
  49. Habib, latest PO4 test kit analysis
  50. hardness as CaCO3(Ca,Mg)of my tap water
  51. Iron for macroalgae - a clarification
  52. hmm
  53. O2 question
  54. ph won't hit 8.2-8.3, why?/ Corals not happy
  55. RO/DI Questions
  56. RO/DI or New Skimmer? See problem inside
  57. Detritus
  58. Toxic Metals in Aquaria?
  59. Kalk storage...
  60. thanks randy!
  61. different dKH readings
  62. Second iron article posted
  63. alk levels
  64. October 23 Is Mole Day!
  65. Carbon and phosphate
  66. toxic sponges
  67. C-Balance
  68. Dialing in the dreaded reactor
  69. adjusting FW dip ph?
  70. Bubbles on the sand.
  71. More Meter Questions
  72. Emergency! Help Requested
  73. clean up crew
  74. Confused about borate product
  75. correct time to put biocalcium
  76. Calcium rxr pH fix?
  77. Phytoplankton Nutrients
  78. quinine hydrochloride
  79. Testing for Alkilintiy
  80. upgrade skimmer or get RO/DI to combat nitrate?
  81. Sailfert Ca Question
  82. Hach Alkalinity
  83. Red Sea Test Kits
  84. Iodine question
  85. co2, vinyl tubing, kalk and Ca reactor effluent??
  86. What is the RIGHT alkalinity ... ?
  87. Seachem Reef Salt mix
  88. New Member
  89. May I have your input??
  90. Can't figure out low pH
  91. Using volcanic stones????
  92. Finally got new test kits -why the odd reaadings?
  93. a few new questions about phosphate
  94. Ca Precipitation ???
  95. pH problems revisited
  96. Should I get a Calcium reactor?
  97. ph down in kalkwasser
  98. Randy?
  99. turbo calcium and ???
  100. deep sand bed
  101. Marine Enterprise test kits question
  102. Washing my reef!
  103. Dosing everything but milk with no results...
  104. setting up a calcium reactor
  105. Low Alk
  106. Question for Habib
  107. white specks
  108. Ca usage
  109. Better than RODI water??
  110. Ph Problems??
  111. Alk and baking soda ?
  112. Acid and Rust
  113. Another Meter
  114. Raising Calcium and pH
  115. Potential Problems
  116. Confused about borate product, second thread
  117. Chemistry Question Regarding The Operation of Nilsen and Calcium Reactors
  118. calc 360ppm in new IO salt mix
  119. Randy,quick question
  120. pH/calcium after two weeks w/reactor...
  121. Ites and Ates Q
  122. Ammonia problem
  123. Best Magnesium Supplement?
  124. NO3 & PO4 from rock?
  125. Calcium Reactor Sizing
  126. Preparing for a flatworm crash
  127. Alkalinity level
  128. calcium reactors
  129. Skimmer or RO DI unit for my tanK(or bottled)??(currently use tap water)
  130. Alk quesiton
  131. Sawdust & Reef Tanks
  132. Thanks to Randy Holmes-Farley
  133. Macro & Iron
  134. Phosphate bags...Bad?
  135. ph when to freak out
  136. What's up with my Alk/pH...help
  137. reactor and calc ?
  138. Once and for all, which is GOOD salt
  139. Another reactor question2
  140. Long plastic gloves in reef tank
  141. New Book on Seawater Organics
  142. Tapwater for tank fill
  143. Help with Iodine
  144. vinegar
  145. do mangroves remove heavy metal from DSB's?
  146. Need a response A.S.A.P.
  147. The pH & Alkalinity deal
  148. Is plumber's goop reef safe
  149. Journal Articles
  150. pH probes
  151. Low PH I now know why
  152. Low PH and Alk....another question.
  153. Time rate of CO2 Dissolution
  154. Pinpoint Salinity Monitor results change with change in light
  155. Why not a pH 8.2 Buffer standard?
  156. Using NaHCO3 for buffer
  157. Phos bag II...the aftermath
  158. Alkalinity High Advice Needed...
  159. Sulfur Reactor for denitrification and addition of calcium
  160. Strotium testing, is it necessary?
  161. Precipitating calcium a problem?
  162. Calcium hydroyide
  163. RO/DI Efficiency
  164. Flocculants -- Water Clarifiers
  165. Is epoxy reef safe?
  166. Water quality concern
  167. calcium oxide
  168. Quick Fix for High Dkh?
  169. Batch treating tank water with kalk?
  170. Few Chem Questions!!
  171. Chemistry Types: Don't miss the poll
  172. Seawater Calculators & Others
  173. How Much Buffering from Boric acid/borate?
  174. Bio balls and nitrates?
  175. PH observations & ?s
  176. Salifert PO4 test kit
  177. vinegar ?
  178. Question for Habib
  179. Serious Alk problems-need help
  180. alk 14; calc 200, ph 8.2/8.3
  181. dKH?
  182. ? about recir nilsen reactors.
  183. perplexing alk readings
  184. balanced additives
  185. Kalkwasser reactor and high ph
  186. kalk dosing methodology
  187. mrs wag pickling lime?
  188. Dosing Combinations
  189. Rinsing carbon to remove phosphates
  190. Additives
  191. coraline problem?
  192. rusty screws?
  193. Scrubbing up before you dive in
  194. Aerating Ca Reactor Effuluent- Good idea or not
  195. Follow up CA reactor question
  196. high alkalinity
  197. copper sulphate
  198. You were right on re: Fe
  199. charcoal?
  200. Randy On Vacation Until 11/21
  201. Boomer or Bomber would do
  202. calk/alk balance chart
  203. Help Ph is really high
  204. Why do my corals retract when I add bio-calcium?
  205. substrate slidification
  206. Phytoplankton test
  207. Alk and calcium levels
  208. GH, KH, ALK, and Calcium....tests and what they actually signify?
  209. Salifert cal,alk test problems... please help
  210. Kent Liquid Calcium
  211. How long will RO water last ?
  212. Questions for Habib
  213. kalkwasser + vinegar
  214. Garden hose for water changes safe?
  215. Iodine and iron supplements
  216. Over Dosed on Vinegar = Chain Reaction?
  217. Solving Calcium and Alkalinity Problems
  218. Ca. reactor & PH
  219. excess CO2
  220. Simonh or Andy; Dolomite in the Reactor
  221. Malachite Green in Reef Tank
  222. SW Test Kits and FW
  223. Alk & Ca levels using Nilsen Reactor
  224. Non-Toxic O-Ring Lubricant?
  225. Reef Chemistry Calculator Beta! Need Help with products!
  226. UV sterilizer and organic molecules
  227. Randy and Habib; New Book, The Biogeochemistry of Iron in Seawater
  228. Calcium/Alkalinity levels - Am I doing this right??
  229. Iodine/Iodide Questions
  230. High alk and calcium... how long to go down...?
  231. Ph question
  232. hopeing for thoughts
  233. Too much kalk???
  234. Need to reduce nitrates
  235. Salifert Boron Test
  236. carbon & algae
  237. Rubber in Sump
  238. iron possibly killing snails
  239. Trying to reach that magic formula!
  240. The November issue of Limnology and Oceanography available
  241. Newbie Ph Question
  242. shelf life of salifert
  243. fine tune Calcium reactor with Alk levels?
  244. vinegar algae
  245. Salifert Nitrate kit question
  246. Salifert Test Kits How long?
  247. Question For Habib
  248. Salifert Nitrate Test
  249. How to keep PH & Calcium regulated?
  250. ammonia detox