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  1. Growning your own Phytoplankton
  2. Re: Zeolites and other questions
  3. Az-no3
  4. ORP/Mv
  5. Magnesium Level of NSW
  6. Calcium at 871 ppm! Yikes!
  7. Is my alkalinity to high?
  8. Do ph buffers raise alk?
  9. PVC Sheeting
  10. Chlorine in RO
  11. Choline Chloride - reef safe?
  12. Talcum powder
  13. how to use vinegar with kalkwasser reactor?
  14. Kh 16 Ca 320
  15. Carbon, how much does it remove?
  16. 125 upgrade and params
  17. 2_Part Talk
  18. water chemistry and softies.
  19. What pump are you using?
  20. magnets
  21. Randy I'm stuck in 8.1 Land and can't escape!!!!
  22. Alk and dKH rising...
  23. Sweating Dowflake?
  24. Calcium Test Kits
  25. Kalk at night to balance pH?
  26. 3-part home made recipie
  27. Raising and lowering pH ONLY
  28. Macroalgae for Nutrient Control
  29. Coralline Algae Growth
  30. PLEASE HELP ! ! ! Ca 600 KH/Alk 6.4
  31. Cloudy water
  32. Copper in LR???
  33. best way to lower CA
  34. Sulfur Powder - Nitrate Removal?
  35. Supplementing makeup water, pH and CO2 Questions
  36. Silicate/Phos Question
  37. How do I get rid of red hair algae?
  38. ph levels in change water
  39. Metal in a SW tank question.
  40. Water Parameters....what else can i do to fix them?
  41. 80ppm Nitrates!
  42. Your avatar - Molecule of What?
  43. Problems with epson salt and mag levels
  44. lugols
  45. PH low
  46. LFS S.G very different from mine.
  47. Copper proteinate in fish food..Bad?
  48. PH 8.7 ~ ALK 3.0 MEQ/L ~ Cal 300ppm
  49. Active Ingredients in RowaPhos
  50. Question about Homemade Calibration Standards
  51. Make up water, is kalkwasser really neccesary?
  52. Copper questions...
  53. Help, Ph, calcium and alk out of wack.
  54. best way not to chase ca
  55. Chloride in the water
  56. Well Water and Calcium
  57. OK.. DKH problem please help, loosing corals by the day
  58. balancing calcium when using a reactor
  59. copper and acrilic
  60. has anyone heard or using one of these
  61. Concrete/manmade rck question
  62. Calcium Test Kit
  63. Can I use this stuff
  64. OT: Grinyard Rxn exception
  65. Problems with my Ph
  66. Calcite vs. Aragonite
  67. Consumtion of organic C in acetic acid.
  68. Reviving a shot pH probe?
  69. Ammonia in RO/DI water
  70. Test Kit errors
  71. Sea Buffer Accident Help Please
  72. Reusing tank
  73. What is RTN
  74. Bad ORP probe?
  75. Kalk Additions
  76. Kalk Additions
  77. need help with my chemistry
  78. new Article: High pH: Causes and Cures has posted
  79. Dkh is low...help
  80. Funny PH issues
  81. propane heater emit excessive co2?
  82. Proper B-Ionic Dosing
  83. iodine testing?
  84. Cheaper source of Phosban???
  85. Phosphate removal
  86. PH Drop
  87. Do Calcium levels and Alk levels always deplete in lockstep?
  88. i need some help randy
  89. Did my kalk precipitate?
  90. Live Rock=Water Displacement
  91. kalk top-off system
  92. Hi Alk and cloudy water
  93. question on lime water
  94. Raising pH...a possible idea...
  95. S.G difference with LFS
  96. Kalkwasser turning brown
  97. Unit conversion (and what do small teeth have to do with it)
  98. Kalk vs. Reactor
  99. Redfield ratio
  100. Low Calcium, Kalk vs. non-Kalk topoff w/ 2-part calc & alk system
  101. Mg snow storm?
  102. FE Po4 Absorbers
  103. Alk problem
  104. 2-Part Additive.
  105. Overcoming excess household CO2?
  106. Tank Accident Help Needed
  107. Ecosystems Fish Solution
  108. Randy Offline at ACS Meeting Saturday (3/12) to Wednesday
  109. Dripping kalk question?
  110. Why won't my Alk go up?
  111. Quick dosing question
  112. Magnesium
  113. few questions on home made 2 part
  114. Deathly low pH possible?
  115. Really silly [stupid] question about hormones
  116. Fluorine
  117. Psudo chem question
  118. Oceanic salt question
  119. Queston for Dr. Randy
  120. Classic chemistry goof - a cautionary tale
  121. I'm in a Quandry
  122. kalkwasser drip
  123. Baked and raw baking soda mixture.
  124. Alk Questions
  125. I want getting a good response in the general forums...so...
  126. How to supplement
  127. Getting Calc. & Alk in balance?
  128. CaCl
  129. Calcium Reactor and RO/DI H2O
  130. Simple question, may be stupid but not to me/ 2 part additive
  131. DOh Calicum Snow
  132. calcium reactor effluent
  133. phosphates, phosphate removing medias, and macros
  134. pure CaCO3 as Calcium reactor media
  135. PINPOINT Conductivity Monitor / TDS Meter?
  136. small amounts of hydrogen sulfid..egg smell bad?
  137. is 10-20ppm nitrates to high for stony coral?
  138. Will N-Cycle tend water to acidic ?
  139. Phosphate?
  140. Newbie needs help deciphering readings
  141. Home-made 2-part question
  142. OT, muratic acid
  143. How many ppm's for alkalinity?
  144. ph&alkalinity
  145. baking soda?
  146. kalk + vinegar = yellowish color?
  147. Ozone air dryer
  148. Ozone air dryer
  149. recharge reactor
  150. Nitrate questions...need expert help
  151. I have more Mg, but I did'nt add any.
  152. Low Alk & High Ca (Zone 4)
  153. do we have to wait for kalk to clear up first?
  154. randy ? about ozone and benefits
  155. Cheato Dying
  156. Tropic Marin Pro Reef
  157. question about overnight ph drop
  158. CA on Glass?
  159. How to lower alk
  160. PH Limiting Theory
  161. Ca & Alk
  162. Molybdenum help!! Way too high! How to lower?
  163. calcium levels
  164. cycling homemade rock.. odd #'s
  165. Standard salinity
  166. reef safe metal
  167. Magnesium and Bio-Available Calcium and sulfates
  168. Tetra Calcium Chloride vs. DowFlakes
  169. Adverse Affects Of High Temp?
  170. Calcium and salinity
  171. Bentonite
  172. Salinity and Alk, CA, PH
  173. Does Low Magnesium Level = Low Calcium Levels
  174. Nitrate Test values
  175. Salt comparison
  176. Three part with magnesium hydroxide
  177. How is this pH reading possible?
  178. First full spectrum tests
  179. Rowaphos and Purigen
  180. When to add supplements?
  181. Oceanic salt and Ca/Alk
  182. Curing plastic?
  183. Kalk Reactor causing ALK and calcium to increase. What should I do?
  184. cyano with low phosphates? Dang!
  185. ROWAPhos - Would this remove other "organics" besides Phosphates?
  186. Alk. way too high, how do I lower it?
  187. dinoflagellates * dehumidifier water
  188. Alk Level Swings
  189. Are silicates detectible with a TDS meter?
  190. Question About How To Add Washing Soda
  191. Calcium reactor adjustment
  192. Kalk in the R/O resevoir
  193. new tropic marin product-opinions wanted
  194. Will Ozone react with Vitamin C in a neg way?
  195. chaetomorpha or Caulerpa for Nitrate Control
  196. Water Quality -sump change help
  197. trouble with test kits
  198. Rowaphos and Purigen
  199. Activated carbon suggestions?
  200. KH/Alk readings?
  201. Denitrification in Shallow SB vs DSB
  202. Salt mix blending, is this a problem?
  203. Alkalinity/Calcium/Magnesium Questions
  204. Low PH, High Alk problem
  205. Two KH test kits, two different results
  206. Testing newly made home brew 2part
  207. Should I be getting these results from a dual chamber CR?
  208. possible to control kalk with ph controller?
  209. Suggestions to regulate Alk ?
  210. Acceptable range of Nitrite in a new tank?
  211. Most reliable test kit?
  212. So frustrated!
  213. High Ca measurment and other problems
  214. need two part calculator
  215. Vinegar Accident
  216. Phosphate Conversion
  217. tap water for QT tank
  218. Ph/Alk puzzlement
  219. how to raise calcium without disturbing alk
  220. Changing my salt
  221. Phosphate question
  222. Undissolved Calcium hydroxide
  223. High magnesium
  224. where too put air line to skimmer
  225. Caulerpa racemosa
  226. Holy Crap Please Hear My Cry For Help!!!!dkh
  227. Buffering ro\di water
  228. Thiosulphate and ORP
  229. Iodide dosing recomendatiaon
  230. Randy's salt comparison????
  231. reef crystals sea salt mix
  232. phosphate readings
  233. How do you lower the akalinty in a marine aquarium?
  234. Time For A calcium Reactor?
  235. Hair Algae
  236. Do I have a problem??
  237. DIY Mg additive
  238. ph & calcium
  239. phosphate control
  240. How much Instant ocean?
  241. ceramic phosphate remover
  242. Magnesium question....
  243. Natural Seawater verses Synthetic Water Changes
  244. polyester filter fiber
  245. Limewater maintains Ca and boosts Alk?
  246. General Hardness questions
  247. Kalkwasser VS. Pickling lime???????
  248. Is Deionized water safe to drink?
  249. Where to drip kalk?
  250. Looking for a conductivity/salinity graph