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  1. Toxicity of metals (e.g., copper) in our tanks
  2. Nematocysts - Chemical Warfare
  3. TA of tap water...????
  4. Hach test kits.. first resulsts
  5. Adding Kalk to makeup water
  6. Randy Homes Question
  7. best calcium test kit
  8. Seawater collected from the shore - your thoughts on the chemical implications...
  9. stinky r/o
  10. Ca reactor Vs Kalkwasser
  11. Salinity Monitor
  12. adding sodium hydroxide
  13. Owner of Salifert in the Forum
  14. dosing of iron ( and or and not Manganese)
  15. Question for Mr. Sekha
  16. Lead solubility
  17. Yeah it's me again...alk, calcium questn
  18. Is my sandbed too old?
  19. Phytoplankton fertilizer
  20. general hardness
  21. to Randy Holmes
  22. New Email Address for Randy
  23. Polygluconate additives
  24. Redox
  25. Alkalinity and salinity help
  26. Ro/Di Hi pH
  27. Lime ???
  28. Aspartic Acid in the aquarium
  29. Live Rock From The Red Sea
  30. kalk and CaCl2
  31. pH, Baking Soda...
  32. Too much iodine : what are the results?
  33. high calcium
  34. kalkwasser drip rate
  35. how do I raise my dKH
  36. can't keep up calcium and alk
  37. Lime water and baking soda
  38. Alk table and relatiopnship w/ pH
  39. Ph
  40. TDS water readings
  41. I wanted some input From Randy?
  42. Ion pairing of Mg and Sr
  43. deposits from kalkwasser
  44. kalkwasser & p.h.
  45. Polyurethane feet
  46. are supplements necessary
  47. Is too much Ca possible?
  48. Rust-colored kalk residue
  49. Ca 300,dKh 16,is this a problem
  50. Calcium level too high?
  51. Addatives - are these okay to pre-mix?
  52. Question regarding ozone
  53. Not Chemistry - But question about measuring SG
  54. Lemon Juice
  55. All in one electronic test meters
  56. Alk consumption too high?
  57. city water changing
  58. safe dosing quantities
  59. Acceptable silica level?
  60. Hach Calcium hardness test kit
  61. Double check this please
  62. Organics and Algae?
  63. Salinity/PH
  64. Dosing a bug tank...?
  65. Calcium Level
  66. Calcium testing. ICP vs Test Kits
  67. adhesives leaching ? into water
  68. Tank covered in white calcium.
  69. should I raise the CA level?
  70. Ok, here's my situation.........
  71. Kalk vs AragaMight
  72. magnesium
  73. Sticky Copper!!!
  74. Salinity
  75. Can crushed calcite be used to make Aragocrete
  76. Calcium Hydroxide?
  77. Calcium and vitamins
  78. salifert kit question for Habib
  79. Nitrates off the charts
  80. High pH, normal kH, LOW Ca??
  81. calcium too high?
  82. reverse osmosis (necessary?)
  83. Snowstorm
  84. low ph, but high CA and alk??
  85. Proper pH 8.2
  86. hanna's tds and conductivity meters
  87. Just the opposite: high PH, low Alk and Calc
  88. temperature acclimation and O2
  89. Alkalinity and pH Article
  90. conversions
  91. Strontium in Corals
  92. Is it possible to run my tank without a Calcium Reactor and still get good growth
  93. baking soda
  94. Ammonium Chloride
  95. Seachem
  96. Help Balance chemistry
  97. ammonia
  98. Balance Blocks
  99. kent pro-dkh,what happened?
  100. Kelvins/Irradiance/etc
  101. kalkwasser and additional co2
  102. Salifert Mg and Ca test kit
  103. aquaricare scrubbers
  104. Best pH Meter?
  105. why does my calcium hydroxide turn grey\blue
  106. Ca and Alk level for soft corals
  107. How can I keep nitrate levels down without H2O changes?
  108. Salinity creep
  109. Po4
  110. How and where is the salt we use made?
  111. Kalk OD
  112. Testing dKh vs Alk
  113. Calcium levels and alk, are they the same?
  114. ALk/PH
  115. Which Salt mix and why
  116. Test kits
  117. How low is too low?
  118. water storage container contamination
  119. Low Oxygen levels?
  120. yes another question
  121. pH, ALK, and CA with CA Reactor...
  122. LaMotte Alkalinity Test Kit use question
  123. Has Instant Ocean Salt improved?
  124. What is PH's unit?
  125. diluting test sample
  126. b-ionic / copper?
  127. Water quality?
  128. Can I mix these supplements?
  129. Salifert Strontium Test
  130. Another Calcium/Alkalinty Question
  131. How much c-balance???
  132. make own saltwater
  133. Antique Field Microscope
  134. Kalk Grain Size question
  135. Calcium question
  136. Borax?
  137. bleach ok to clean skimmer?
  138. what are some minerals that are rapidly depleted?
  139. Is it possible that my Alkalinity is 19.6???
  140. Potassium permanganate
  141. Calcium Reactor setup
  142. ph and alkalinity kind of on low end... should i do anything?
  143. Chlorine
  144. Bad Calcium Test Kit???
  145. pH questions...
  146. water chemistry ???
  147. Calling Randy Holmes
  148. Instant Ocean Brown Slime
  149. Need help with water, please!
  150. new tank help
  151. Article on pH Problems
  152. Best Calcium Supplement?
  153. Does stainless steel pose a leaching concern?
  154. Calcium and water haziness
  155. Can calcium be brought back into solution easily
  156. My disappearing calcium situation
  157. Salifert All in one and coraline amino acids?
  158. "liquid calcium" and salinity
  159. Water film
  160. question for Mr Sekha
  161. Recommended alkalinity??
  162. Low PH with OK ALK and low CA
  163. Alk / CA Questions
  164. high nitrate
  165. Need help with B-Ionic
  166. Using dKH to determine membrane replcmnt?
  167. confused about water parametes - if ro/di unit needed ?
  168. 2 Questions
  169. Yet another Calcium and Alk question
  170. calcium Question?
  171. Calcium Lvl Question
  172. skimmer vs bio-chemical alternative
  173. alk test kit article?
  174. Need: Alkalinity for dummies
  175. Recirculation rate within a Ca reactor
  176. kalk in a collapseable water container
  177. Calcium going up, but Alk rising also??
  178. pH=8.4 , alk= 6 dKH
  179. Washing Soda - whats that smell
  180. need help with Cotton Algae and reef
  181. Kh and Calcium in DSB tank
  182. Cal reactor & alkalinity
  183. Salt Mix
  184. TAlk=380ppm
  185. instructions for salifert phosphate test
  186. B-Ionic woes
  187. best method to maintain calcium and alk
  188. Reducing DOC
  189. Conductivity of RO water
  190. What supplement does Randy use?
  191. Best phosphate remover
  192. why such a big drop in under 24 hours?
  193. Salinity and specific gravity - I want the real story.
  194. Oxygen...
  195. NSW (Natural Sea Water)
  196. High dKH, Normal CA after crash
  197. ugh, i've done it again!!! **kalk dripping malfunctions**...
  198. LLDPE tubing
  199. Can't get PH over 8.0
  200. Raise pH, keep Ca & alk constant
  201. help please...
  202. Will activated carbon remove nitrates and phosphates?
  203. canadian cement curing
  204. RO and RO\DI
  205. Calcium Reactor Problems
  206. Which Reactor Media?
  207. bioballs and nitrates oxygen
  208. Best Ammonia Killer?? Skimming?
  209. growing calupera and with nitrates???
  210. Ca/Alk strange with new system
  211. Calcium
  212. Kalk question ??
  213. Do I need a ph probe
  214. 1G kalk dosed in 9hrs raised pH to 9.3!!
  215. strange change
  216. Who doses kalk 24/7?
  217. Moving reactor, worried about CO2
  218. cycling
  219. High Mg level
  220. CO2 Export
  221. By how much a day can you increase calcium?
  222. By how much a day can you increase calcium?
  223. Article on Calcium Carbonate as a Supplement
  224. What is the pH of a saturated kalkwasser solution?
  225. Larger amounts of Pickling Lime top off
  226. nitrates.... how to get rid of them!?
  227. Problem dosing B-Ionic?
  228. Is using Calcium Chloride bad?
  229. Cleaning test tubes
  230. Calcium Growth in a 25
  231. DIY supplements
  232. Need help to low the PH
  233. Biozyme??
  234. Do I need additives?
  235. This is the last time I'm going to hassle you on this subject...
  236. low ph with using Baking soda
  237. pH help Please
  238. ORP Reading
  239. Phosphoric Acid, Phosphate
  240. Aluminum toxicity?
  241. Need help within the hour!
  242. lab glassware... I've got an idea.
  243. Help, I am confused as to what to dose
  244. pH problems...
  245. Testing reactor effluent
  246. Kent Marine Coral Accel (lipids and proteins)
  247. Salifert Mg test kit instructions
  248. Adding Kalk only
  249. Bromide
  250. pH seems to never go to 8.2