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  1. Orp
  2. Chlorine bleach
  3. Ozone and Ph?
  4. cement for ph and calcium controll?
  5. high ph
  6. MG & PH Relationship
  7. Randy back from vacation
  8. cycling problems
  9. My calculium levels are off the charts whats up?
  10. ROWAphos filter on effluent of the Ca reactor
  11. 8.9 ph
  12. pH is 8.55-8.65, Ca 440, Alk 2.5 meq/L: Is this good enough?
  13. dosing magnesium
  14. PH of RO/DI water
  15. slurry Kalk vs PH fall off
  16. Using Calcium reactor - ALK too high, calcium too low...
  17. Dialing the Ca reactor
  18. Acid shelf life
  19. calcium peroxide ?
  20. calcium reactor question ,
  21. The great salt debate
  22. aptasia killer
  23. An idle question
  24. aragonite ?
  25. Does Ozone skew readings from pH, ORP, or Conductivity Probes?
  26. Peroxide
  27. Sea Lab #28
  28. Lugol's Iodine expires?
  29. Cleaning with Vinegar
  30. An interesting observation
  31. dosing question with auto top off
  32. Sodium nitrate
  33. iodine vs. iodophor
  34. Recipe #1 ?
  35. CA/ALK part 2
  36. sand bed after move
  37. PH and CAL raise help!
  38. Quicklime?
  39. Hooked up sump, killing corals...
  40. How long is mixed SW good for?
  41. effulent mixing question
  42. diatoms in my tank
  43. how much salt to raise salinity just a bit?
  44. How important are borates?
  45. Do you think plants can help lower indoor CO2?
  46. Redox value in sulphur based nitrate filter
  47. Orb
  48. Calcium Chloride Purity
  49. cement rocks
  50. PH keeps creeping up. Can I add Vinegar to my topoff/Kalk reactor?
  51. Testing tap water hardness
  52. 2 part Bionics,added Alk went to a solid form
  53. Mg ?
  54. Is it normal for PH to spke to 8.5 During day?
  55. typical pH, Ca, Alk issues
  56. how do you make calcium & alk?
  57. Will carbon bind iron up?
  58. can you add too much kalk ?
  59. Stopcock suitable for limewater delivery?
  60. Randy's 2 part
  61. Cleaning copper from a qt tank
  62. limestone or dowflakes
  63. ph spikes when all lighting is on.
  64. What reaction is making the water smell like cat pee?
  65. Anyone else test food for source of PO4?
  66. coraline bleaching
  67. New tank water parameters
  68. Dow flake
  69. testing for Iodine question
  70. reducing phosphates
  71. Cutting Glass w/kerosene
  72. Kalk drip rate for a 40 gallon tank
  73. Distilled water
  74. Swing Arm Hydrometer Calibration
  75. how to dose?
  76. Bare bottom disaster(sort of)-
  77. How to test Ph of Kalk?
  78. pH in reverse cycle
  79. Randy, You're da man
  80. Calcium Reactor and PH
  81. B Ionic left in hot vehicle- is it okay?
  82. Cloudy Makup Water - Help!
  83. pH od the RO water
  84. A few ?'s on the 2 part home-made Ca/alk additive
  85. Perplexed by my new RO/DI unit...
  86. acetic acid
  87. Anyone use....??....
  88. Bio Calcium - Why not ??
  89. N:P ratio to control algae growth
  90. PinPoint meters
  91. DI resins
  92. Need Advice on ALK
  93. Emergengy Please help - kalk overdose accident - need help!!!
  94. plastic mixer blades
  95. new article?
  96. Kalkwasser/Limewater
  97. nitrates
  98. Az No3
  99. Fluidized bed filters feeding a Refugium?
  100. 2 Part recipe questions
  101. Water Change question
  102. Why was my calcium test kit off?
  103. ORP calibration / low ORP ?
  104. Randy, What's your opinion of Kent's Liquid Reactor?
  105. Randy, What's your opinion on Seachem's PhosGuard?
  106. Kent Aqua Dose 5 Gal
  107. Quick ALK question
  108. Question about Calcium additions
  109. Synthetic Salt Mixes
  110. Look at this post in the newbie forum!
  111. [FISHING] Calcium low, Alk low = Magnesium low?
  112. Besides Ca test kits, what others might be inaccurate ?
  113. question about balls pickling lime
  114. randys two part alk and ca supp?
  115. Bare bottom bacteria chemical confusion
  116. can't rise CA :(
  117. Mix some kinds of sea salt
  118. raise PH?
  119. Is this correct
  120. washing sandbed
  121. aragonite
  122. Another calcium supplement question.
  123. Magnesium @ 1500??
  124. Kalk and my PH problem....what to do?
  125. lower Calcium
  126. Newbe. Alk. and Cal. problems--relationships
  127. Any benefit to adding vinegar separately rather than in my limewater?
  128. suggestions to raise calcium
  129. reef chemistry calculator
  130. Rust spots on my algea magnet: Is this a big deal?
  131. how to make a 8.3 pH test solution?
  132. More on Mg supplements
  133. re-using old sand. when is it safe?
  134. Calibrating a PH probe
  135. Storing Water in Garage
  136. Will heat degrade limewater?
  137. Problems with tank
  138. Does acrylic release P ?
  139. Is it okay to add vodka to limewater?
  140. Question on PH meters
  141. Iron only suplement
  142. Low PH artictle
  143. Does this plan look OK?
  144. Bringing in outside air
  145. What is going on here?
  146. PURA PhosLock
  147. Silicates Question ?
  148. acrylic reef plugs
  149. Phosphate removal using Chemi-mat
  150. Magnesium ?
  151. spary paint on pvc
  152. Calcium
  153. alkalinity problems
  154. Ca testing
  155. nitratreductor
  156. cleaning calcium\mineral buildup on acrylic
  157. Mixing vinegar with kalk?
  158. promoting diatom growth?
  159. ammonia sources
  160. Near saturation....
  161. Are these numbers right for this salt?
  162. Kalk/Alk Balance
  163. Maintaining pH during hyposalinity
  164. strange mag amount from calculator
  165. Balance calcium and alkalinity suppliment
  166. lots of brown algae
  167. Bulk activated carbon?
  168. Corals Disolving
  169. fish and darkness
  170. high nitrate, low phosphate
  171. Refractometer Test???
  172. Calcium And Alkalinity
  173. how long do you let you salt mix before putting in tank?
  174. Why does my sand seem to be starting to clump up?
  175. Low PH with RO/DI and Salt
  176. Calium level is too high
  177. calcium test
  178. ORP Calibration Solution
  179. Most recomended Ca Test kit?
  180. Concerned about adding calcium reactor
  181. Alk and Calcium
  182. Which iron source is best for saltwater plants?
  183. Hard or soft water?
  184. shelf life and heat with kalk ?
  185. PH Up!!
  186. Dosing Kalkwasser But Alkalinity Dropping?
  187. ph and orp probe life?
  188. RO/DI Top-Off Water. Adjust pH....?
  189. help with major mess-up...
  190. Does HOT water hurt RO/DI Filters??
  191. tunze osmolator
  192. ORP drops 100mV after water change - Please explain
  193. Betaine powder for fish food addition?
  194. chalk on the glass using DYI alk/calk
  195. good thermometer
  196. Water Chemistry Out of line
  197. chealated calcium, and another question
  198. running Rowa Phos and carbon in tandem
  199. Carbon and trace element
  200. Reef balls in the ocean are low ph?
  201. Randy's Recipe and Water Changes
  202. Alk thru the roof
  203. need help....stinky water
  204. Forgot the website that calculates what is needed in what % reach a desired alk/calc
  205. Small tank Crash???!
  206. phosphate test question
  207. ph problems?
  208. alkalinity problem
  209. Using reef chemistry calculator
  210. Ph
  211. air stone in sump ?
  212. Calcium chloride for 2 part recipe
  213. Korallin Biodenitrator
  214. chemi-clean
  215. chronic low ph
  216. temporary high ph question
  217. Can carbon blocks filter phosphates
  218. all purpos silicone
  219. Hydrometer used for wine
  220. How are my levels looking?
  221. Is glycerin harmful to our tanks?
  222. salt
  223. best salt mixes
  224. Kalk -- here I go again
  225. Nutrafin Ca Test Kit?
  226. RO/DI system letting phosphate and maybe Silicate through, possible solution
  227. Excel in 2 part Recipe?
  228. Ingredients for Ice Melter
  229. About Copper?
  230. parameters went waaay off after dosing kalk
  231. Nitrate factory
  232. pH fluctuation
  233. Iron? Phosphate? Chaeto going white
  234. ph of ro water
  235. Low ph problem solved but winter is coming
  236. dowflake dosage
  237. Total Dissolved Solids
  238. white sediment in the 2 part system
  239. Refugium lite to eliminate Nitrates
  240. adding calcium chloride chips and baking soda
  241. Sulfur denitrators - the real story
  242. randy clam problem
  243. Calcium Alk pH Question
  244. RO DI water
  245. I'm sorry...but I have a stupid question
  246. stepping up my reef
  247. What's a good accurate Alk test kit
  248. New (I think) way maintaining pH, and Ca levels
  249. Alkalinity Question
  250. Question on pH for Randy