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  1. Oxyclean for cleaning tanks.
  2. My Order, please check over....
  3. Calcium and alkalinity and new CA reactor
  4. Ph and Calcium low....
  5. Patented saltwater enrichment solution QX-23™
  6. How to test if it's aluminum sulfate
  7. Mixing Kalwasser With Aragamight!???
  8. Kills fleas! Kills ticks! Kills reefs?
  9. salt not dissolving
  10. pH Crashing, need help soon!
  11. raising pH?
  12. Iodine
  13. Randy: Get out the pool :)
  14. Calcium problem or bad test kit?
  15. What is the proper ratio? 20 ppm of calcium...
  16. KH question
  17. Seachem
  18. pH problem solved, now what?
  19. Georgia Red Clay - usable as Iron/Calcium source for DSB/Refuges?
  20. Nitrates in storage water
  21. Source of Nitrates?
  22. Ca & Alk
  23. B-Ionic and Dosing Pumps....
  24. We love Randy!
  25. Randy; Drop the Fishing Rod, it's time again
  26. How bad is your tap water?
  27. KH testing and kits
  28. Confirmation of kit readings
  29. What is Kalkwasser?
  30. CO2 Solubility under pressure?
  31. pH nuisance
  32. Seachem Reef Calcium?
  33. perplexed
  34. water cloudy for over three weeks
  35. Big PH Swings
  36. Dripping Kalk -- Rising Alk
  37. Phosphorus
  38. home made tap water purifiers
  39. copper
  40. mg/L to ppm
  41. kalk mix question
  42. substrate becomes cement
  43. Does it really matter?
  44. Ozone and PH
  45. murky water
  46. Kalkwasser
  47. Algaecide
  48. Can not solve problem
  49. High alk... what to do if anything...
  50. IO Calcium Level
  51. Salt absorbed moisture and is now rock hard. Problem?
  52. rowaphos
  53. Calcium reactor
  54. Eco-Aqualizer?
  55. skimmers and iodine levels
  56. copper with ozone
  57. 43ml/L Vinegar=Kalk @ PH 5.0-9.0
  58. LaMotte test kits.....
  59. Oyster shell & phosphate
  60. Kalk in Saltwater
  61. PH Fluctuating at Night
  62. RO/DI for me?
  63. Duct tape safe in overflow?
  64. Povidone Iodine?
  65. Nitrates in dehumidifier H2O
  66. Ca precipitate question
  67. Black sand
  68. Silicone Absorbtion, degradation and release once cured
  69. Best Kalk mix
  70. Removing Nitrates
  71. What is this? Ca precipitation?
  72. sandstorm and refractometer
  73. More Borate… and Crystal Sea’s…
  74. Affect of sunlight on tank
  75. Trace Metals From Hobby Pumps
  76. Some limewater questions
  77. Magnesium, Alk, Calc
  78. Can I use freshwater Iron supplements?
  79. pH of fresh water (RO)
  80. Colorimeter or Meter for Hardness
  81. Perfume and the reef
  82. Just did oxygen test and....
  83. Neophyte Question: Ideal Reef Spec. Grav.
  84. Co2
  85. Kalk/Evap question
  86. A stipud Limewater question
  87. Razor blade in tank What can I expect?
  88. AQUATIC NATURE Calcium
  89. Hard Water Probem
  90. PH and makeup water
  91. Confesion: I do not do water changes
  92. Shelf Life of Calcium Hydroxide
  93. Calcium Hydroxide and Calcium Chloride Mix
  94. Poly-Bio-Marine, Inc. answers some questions about their Poly-Filter(r) product line.
  95. Is Ca Precipitation Bad?
  96. "What if" question!
  97. B-Ionic, C-Balance, or Tech CB & "Buffering" Question
  98. Kent Superbuffer...this may be a stupid question...
  99. Trace metal leaching out of my pump
  100. Low pH and High Nitrate
  101. "Dirty" Seawater?
  102. PH of effluent from calcium reactor?
  103. Substrate turning to Rock
  104. Calcium level low
  105. Killing pests in the tank with kalk slurry Q...
  106. garf recipe
  107. Help! My Alk will not stabilize
  108. Advice: Chemistry Reads Good; Corals Closing
  109. Aluminum and Aluminum-based phosphate binders: Likely a Problem
  110. How does specific gravity affect test results?
  111. Shelf Life of Salifert Test Kits
  112. Dosing limewater in 29 gallon
  113. ceramic cup?
  114. ozonolysis
  115. Raising spg through evaporation
  116. Ph levels
  117. Molecular question
  118. Is Carbon Effective In Sumps
  119. Reef Crystals
  120. pH of CA seawater
  121. CO2 Tank gurus in here please.
  122. Switching from calcite to magnesium oxide on my RO???
  123. What is in evaporated water ?
  124. Using Vinegar
  125. dolomitic hydrated lime
  126. PH and Alk Vs. Algae
  127. Ph levels
  128. Low Alk Again
  129. Question on the effect of higher than normal Mg levels on a reef
  130. confused over chronic low ph
  131. Humidity Sensor Calibration
  132. Iodine dosing
  133. Potassium and Calcium Chloride almost the same?
  134. Lime water
  135. KH, GH, and Calcium
  136. How do I correctly use C-balance?
  137. City Tapwater Analysis: do I need RO/DI?
  138. salifert test kits
  139. Ph Fluctuations
  140. Snowflake effect...
  141. Lead
  142. Magnesium Usage
  143. Could this cause low pH?
  144. Interesting pH readings
  145. how do i mix 100,000ppm solution
  146. Help with change water process
  147. Having PH problems
  148. Kalkwasser -HELP-
  149. Maintaining Calcium and Alkalinity
  150. Randy, can you address this?
  151. does salinity need to be on the high side to maximize calcium and alk. levels
  152. Question about Randy's reservoir
  153. High pH
  154. Disaster
  155. Calcium Level Constant
  156. salinity is it to high
  157. Marine Environment salt and the manufacturer claim
  158. Calcium addition
  159. Veterinary-type co-polymer gloves
  160. Garlic to use...
  161. puzzling chronic high Ph
  162. What kind of Test Kits for alkalinity and calcium?
  163. Salifert Phosphate Test
  164. Gas Exchange problem
  165. oxygen test methods(minor OT)
  166. A Chemical Challenge
  167. Instant ocean and DI water why a low PH?
  168. Ca/Alk, ph and nitrates
  169. Randy, Please help w/ Nitrates!!
  170. Calcium Acetate - recommended dosing?
  171. New Aluminum Release Data for Phosguard
  172. Salt
  173. How can this be?
  174. Co2?
  175. Alc
  176. digital pH monitor
  177. copper in my tank
  178. Raising Magnesium
  179. ORP... what causes it to drop when doing waterchanges?
  180. Most Inert Soaps?
  181. How do I fix my pH & Alk levels
  182. Kent Superbuffer/Turbo Calcium question
  183. RO water question??
  184. Montipora digitata reaction to high alk+ca
  185. High Calcium
  186. Looks Like Spider Webs in my tank
  187. Habib...maybe you shouldn't be taking a vacation
  188. Trying to raise calcium
  189. kh/alk
  190. kalwasser
  191. Ion pairing: Ca and Mg.
  192. The hydroxide ion in salt water
  193. Old reef....high calcium
  194. A quick dosing questions...
  195. Az-n03
  196. heavy calcium deposits
  197. skimmer performance
  198. Dosing Kalkwasser
  199. Hydrated Lime
  200. H2O change question
  201. Cyano Bacteria
  202. dry kalk to tank
  203. Degradation of limewater in air question
  204. Solidifying Sand Bed
  205. Research Money
  206. DSB question...alk buffering
  207. alk level should be at??
  208. Need reassurance with pH
  209. Aluminum in Pickling lime
  210. frustrated
  211. Nitrate disappearance
  212. Vinegar use with Nilsen Reactor?
  213. Reverse Osmosis vs. Demineralized vs. Distilled
  214. Alkalinity
  215. Randy, a quick question for you.
  216. Coil Denitrator
  217. dripping with kalkwasser
  218. Red Sea Calcium test
  219. alkalinity and calcium
  220. calcium reactor=heavy metals
  221. Orp Help
  222. Mrs. Wages Pickling Lime
  223. Reef Supplements...Am I on the right track?
  224. Ozone
  225. I'm baffled on high PH
  226. Phosphates from plastic?
  227. Randy, another Ph Q :)
  228. Temp Correction for Refractometer
  229. Precip with norm values
  230. What are acceptable values for my nitrates and alk?
  231. What is abiotic precipitation?
  232. Low PH problem and mixing techniques for kalkwasser
  233. Poly Filters pros- cons
  234. Iodine vs. Iodide & requirements
  235. Ammonia problem with fresh mixed water
  236. Why only mix a little kalkwasser at a time?
  237. calcium chloride?
  238. hi ph please help!!
  239. Salifert Calcium test
  240. The evil salt?
  241. heavy metal floc
  242. KH problems/test ?
  243. new reef chem calculator?
  244. Randy Kev needs help with High Mg reading
  245. Supplement Question
  246. ORP calibration solutions
  247. Az-no3
  248. numbers not adding up?
  249. Omni calcium hardness increaser?
  250. How do I convert my TDS to salinity?