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  1. PH slowly falling?
  2. question on using tap water
  3. Collecting rainwater for mixing
  4. Damp salt mix
  5. conductivity probe specs
  6. Magnesium in a 55gallon.
  7. raising calcium from 400 ppm
  8. hydrated lime ?
  9. Is there a way to solidify Calcium chloride and Baking soda?
  10. Looking at Ozone
  11. Pharmaceutical Dolomite
  12. sandpaper in tank cause poisoning?
  13. Age old question
  14. Re: your recipe #1 (Ca and Alk)
  15. saltwater electrolysis
  16. Question for you Randy, Thanks!
  17. Ozone
  18. DI acting strange w/ kalk
  19. IO or oceanic?
  20. Calcium Reactor plumbing question
  21. Continuous water change
  22. Can I mix kalk with seawater??
  23. sumplementation
  24. Randy, Have question
  25. Calcium carbonate binds PO4 and latter releases it?
  26. quick question Randy??
  27. calcium reactor media
  28. Sea Salt for cooking...just curious
  29. Anhydrous Calcium choride
  30. RO water.. Anyone answer.
  31. 2 questions about 2 part
  32. Trace Elements
  33. Whats your preferance of salt mix
  34. Eric's oxygen articles
  35. Anyone used GLI pH controllers/transmitters?
  36. Re-use bag of carbon?
  37. cement rocks. Cured, but what if a piece breaks off=instant death?
  38. how to raise Ca & dKH?
  39. skimming & kalk
  40. Why run a calcium reactor and kalk reactor on same system
  41. Whats the diff between carbonate and bicarbonate?
  42. Adding ESV B-ionic
  43. so we are supposed to get rid of the stuff that settles out from our kalk/topoff water
  44. Negative effects after using Pura Phoslock
  45. Broken PC... shard in tank... chem issues?
  46. How to raise Ca and dkh?
  47. Sodium Hydroxide ?
  48. High calcuim
  49. pH problem resolved
  50. Kalk turns yellow?
  51. What's the ph of kalkwasser at its maximum concentration?
  52. The Oceanic Mishap
  53. avoided problems or wasted 10 gallons SW
  54. Low Ph Condition
  55. swimming pool additives
  56. New Sump;water Cloudy?
  57. Chemical Free Water Conditioner
  58. Chemistry quest.
  59. Adding Magnesium (hydroxide or sulphate) to kalkwasser
  60. Aghhh, Ph is a pain.... Should I add some borax?
  61. Answers to protein skimming questions?
  62. Formula to determine how much calcium with kalkwasser?
  63. RO/DI low Ph
  64. high pH problem
  65. Calcium Problem
  66. CaCl product suitablility
  67. ozone questions
  68. Resin From Aquarium Pharmaceuticals tap water filter
  69. How long before my tank is 100% R/O?
  70. Pinpoint Salinity Monitor
  71. Red sea salt
  72. pre colonized media
  73. Randy to speak to Boston Reefers on October 1 in Saugus Massachusetts
  74. High dkH problems
  75. need expert opinions and help...
  76. Tank crash
  77. temp/salinity-refractometer
  78. Nitrate Reductor Question
  79. Oops!! Made a boo-boo. Need to lower alk of my water change water.
  80. Magnesium question..Ionic balance?
  81. Randy, Another pH question
  82. Best accurate and easy Test kit
  83. Difference in RowaPhose and Phosban?
  84. monitoring calcium hydroxide leaching
  85. Calcium/Alk Recipe
  86. Lowering Calcium???
  87. Question about an Article
  88. Product Opinion?
  89. How do you lower Iodate?
  90. Replacement for Southdown as DSB material
  91. Adding Homemade Supplements
  92. Cleaning orp probes/ Wont stay clean.
  93. When to change the DI filter?
  94. coraline. How long after adding reactor
  95. Little help Randy
  96. My numbers are out of wack
  97. Recipe #1: Epsom/ Magnesium question
  98. Silica
  99. how much should I expect on average for my alk to drop daily?
  100. Randy is this impossible? Bacteria doing the work?
  101. Optimal pH for CaCO3/CO2 reactor
  102. Huge PH swings
  103. Very high Calcium levels.....
  104. temp question and nitrates...
  105. bad tank
  106. Microbes and bacteria to control ammonia, nitrates even phosphates???
  107. pH change from kalk
  108. tank usage of alk.!
  109. Can all ions but Ca be eliminated from sea water?
  110. what are the attributes of calcium hydroxide per 1tsp?
  111. adding clorine to a tank?
  112. Oznoe --->UV Sterilizer
  113. Help!! Kalkwasser dumped!!
  114. pinch of sugar in tank and ph dropped .03 units?
  115. Got some Calcium Chloride, quick question
  116. using cement cinder blocks in my reef
  117. Selectivity of Salifert PO4 test
  118. Magnesium Dosing
  119. Iodide
  120. supermarket shrimp
  121. sera test kits
  122. Newb here....do I have my facts straight? Have I been reading the Dr. Randy right?
  123. Sugar molecule size when dissolved in saltwater?
  124. Just a few questions
  125. Kalkwasser not mixing need advise
  126. How much more expensive are test kits like lamote and hach?
  127. Kalk Reactor Setup Advice
  128. Start from scratch?
  129. Activated carbon vs high density carbon
  130. diy ph calibration
  131. top off water
  132. Sodium bicarbonate and PH
  133. Dripping Kalkwasser and add B-Ionic?
  134. what is in spring water
  135. Low PH, High Alkalinity, Good Calcium
  136. FasTest Saltwater Kit
  137. Kalkwasser Powder Purities
  138. Cacium issue
  139. Mixing kalk Calculator?
  140. Co2 ph realtions.
  141. Just for understanding
  142. Any harm by dripping unsaturated kalk?
  143. Will a small glass tank be safe to use as a kalk reservior?
  144. Diluting two-parts?
  145. Thanks Randy
  146. adding live rock to a stable system
  147. TDS meter question
  148. Nitrates - oops
  149. what is meq/l
  150. Salinity and specific gravity calibration?
  151. new reactor
  152. Sodium permanganate
  153. my understanding of ph/alk in english
  154. Stressing fish with a water change?
  155. my kh is 100mg/l whats that require for dosing?
  156. ro/di water and houshold water softener
  157. Low PH with RO/DI... why?
  158. Figuring out how much kalk to dose compared to b-ionic
  159. Fact or Fiction
  160. "Algae Magic"
  161. Using regular sea salt from the grocery store?
  162. Raising S.G. - Help!
  163. Dosing Magnesium Question??
  164. Silica Beads Accident
  165. Test results questions.
  166. good tests?
  167. Calcium Standard for Calcium Test Evaluation
  168. PhosBan and PH's affect on it.
  169. Mag. 1150, Alk. 2 DKH, Calc. 340mg/l. Little help!? Por Favor
  170. Why do I keep thinking that Habibs location is where chemistry started?
  171. Randy
  172. S.G and skimmer performance.
  173. Whats Dangerous
  174. Nitrate and phospahte problems
  175. electricity
  176. raising alk
  177. Brass and Co2
  178. Broken link in Reef Chemistry Articles.
  179. Adding baking soda to top off water???
  180. Is high Alkalinity bad?
  181. Cleaning pH probes
  182. House plants
  183. Another New Salt
  184. Another New Reef Book
  185. Boomer, your assitance.
  186. running carbon in a reef tank
  187. Iodine, Strontium dosing question.
  188. Question: Preservatives in vinegar
  189. High PH of RODI water
  190. Testing Equiptment
  191. Gypsum?
  192. Need to raise CA
  193. New to the Fluidized Bed
  194. Messed up ph scale
  195. Do calcium reactors eliminate the need for supplementing trace minerals?
  196. Trouble with low Alk
  197. test result query
  198. Raissing Calcium 120ppm
  199. Problems with "your" kalk topoff method.
  200. Reef tank in my bed room.Is it OK?
  201. Kalk powder(limewater)
  202. Vinegar dosing as a carbon source for bacteria
  203. another sand question
  204. pH questiong..?
  205. bottle water types?
  206. Help me Randy Holmes Please
  207. Protein Skimming Efficiency and Reactor Effluent
  208. Adjustments to Salt Make Up Solutions
  209. Think i found my nitrate problem
  210. Can't raise calcium
  211. Increasing Salinity
  212. Calcium Reactors
  213. question about kalkwasser ?
  214. Whats the rule of thumb for adding pickling lime??
  215. Weekly WC's to keep params in check, but my salt does the opposite
  216. Po4 at 1ppm...how
  217. Power Filter Needed in System???
  218. low o2
  219. Ph Rising Since Replacing Calcium Reactor
  220. Can activated carbon contain phospahtes and/or silicate?
  221. Low Alk Baking Soda ??
  222. kalk spill
  223. pH questiong..?
  224. calcium reactor VS dosing things like bi-onic
  225. Dosing Kalk without dripping it.
  226. Algae and water chemistry
  227. Substrates
  228. Carbon suggestion
  229. Hey Randy!
  230. steel filled epoxy putty safe for aquariums?
  231. Guidelines on dosing compatibility
  232. Kalk Question
  233. Skimmer not skimming after Phosban introduction
  234. confused about your artical
  235. Instant Ocean will not mix completely
  236. metal
  237. Skimmer often goes bananas
  238. Where to buy dow flake?
  239. Corals are Withering
  240. Calcium Test Kit Project
  241. conversions
  242. bad salt or low salinity cause amm & nitrite?
  243. adding LS to cycled tank
  244. How to raise alkalinity without precipitation ?
  245. silicate remover
  246. vitamin c "how important is it?"
  247. Minerals in sea water
  248. Low Alk And High Mag
  249. cleaning PH electrode
  250. carbon dioxide and limewater