- Chronic low PH
- Processed sandblasting sand
- Does high PH kill bacteria?
- Copper Treatment
- Question on Tufa base rock
- I used copper - will I ever be able to keep corals?
- High Ca, low Mg...
- New ammonia article posted
- Ozone
- Developing a Chemical Replenishment System
- OK to use Arm&Hammer Washing Soda for 2-part?
- QT/Ammonia
- Calculating PPM for Velvet treatment
- Calcium low
- Ro/di
- Strontium and other elements for an established tank
- High CA and Nitrates
- Calcium and Alkalinity Help Please.
- The pursuit for Strontium
- water temp 75* is this to low??
- kalkwasser from aqua medic. go brown?
- RO water from the machine
- Memory failing me or was this actually a thread from the past
- Help finding two part additive ingredients in Nova Scotia
- Evaporated sea water salt?
- Hydrogen Sulfide
- IO salt... should I add anything to it?
- Oyster shell and phosphates?
- When to know to change carbon.
- Where's The New 2 Part Article?
- low alkalinity
- LR Filtration Question
- Silicone in sump turning pink!!! (PICTURE INSIDE)
- adjusting CA reactor
- Boosting magnesium for water changes with IO salt
- Storing RO water
- Excessive dosing?
- Vital Sine PH Monitor temperature innaccurate?
- red slime algea
- Ammonia Binders
- Opinions On Controller
- CaribSea Purple Up for coralline growth ?
- too high ph
- Plastics
- Can Kalk be used to fully supplement Ca and Alk?
- ALK Rising???
- all of my corals are stressing out! any ideas?
- Hard sand
- 18 megohm-cm DI water
- High dkh, normal Ca
- Would kalkwater be sufficient in this situation?
- co2 off at night?
- Nitrates starting to go up.
- White slime..
- RO/DI Drinking water
- Mg
- Up date on Chemistry
- Bulbs chemistry
- RO/DI water question
- Yet another 2 part question
- Chasing a moving target
- Dow Flakes alternative
- 2 calcium supplements?
- ROWAphos induced Red slime/Algae bloom ???
- Few questions
- Does "lights off" in the refugium help with high PH?
- Low Alk
- question about kents turbo calcium
- omega 3
- Another salt mix question
- Thorite vs Quickwall vs Dam-it
- What specific gravity with a refractometer with automatic temperature compensation?
- phosphate remover on sand bed
- Clumping sand/gravel
- how does co2 effect alk in ca reactor?
- calc/Alk dosing question
- Randy or Boomer, Travertine?
- Research help
- Randy's recipe
- RO/DI vs. Distilled water
- Kalkwasser dosing question
- Calcium and Alkalinity Demand Not Balanced
- Most important tests and kits to have for a reef tank?
- Do all skimmers remove things alike?
- new CA reactor, hammer corals stressed.
- All In One Tester
- Question? My Current Parameters
- Running Phosar and carbon in a TLF reactor
- Phosphate has me stumped
- baked baking soda?
- Negitive ions - do they affect your reef tank?
- Sterilite container....safe?
- False ammonia readings?
- Kenya Tress "?"
- Baking/cooking baking soda and alk
- normal consumption rate: calc v. alk
- Another copper? I have copepods, is this good?
- Phosphate removal..
- 45 gallon to 120 gallon upgrade...
- Too Much Activated Carbon?
- Switching From SeaChem to Randy's 2 Part & Reef Calculator
- Hydrogen sulphide in a DSB - where does it go?
- low ph
- Randy
- Randy, is this still available?
- Help!! Ph Too Low
- TDS Meter. How do I test?
- Marinemix Bioassay Formula Source?
- RO water...whats the big deal?
- Randy help. Best way to bump up MAG levels
- yellowing compounds
- Let it snow
- Has anyone in Orlando found a source locally for MagFlake???
- PH control
- CA/ALK/KALK
- Kalk help please...
- Dosing 2 part supplement
- NO3 Test Kit
- Yet another water change question
- Egg Shells in Refuge
- kalk turning brown
- Need some help with strong acids...
- Two part Question KH & PO4
- Need a professional chemist advice on curing LR
- Foul smell from RO/DI?
- aquarium pharma
- Which salt solution do you recommend for reef aquariums?
- Hey Hey Another Baked Soda Question!!
- How much drive way heat per gal?
- Calc,Alk,Magnesium
- dripping kalk w/o ph monitor?
- how much lime do I dose
- Zone 4 alkalinity problem
- Please explain the usage of Iodine
- IO and High Alk
- Ca reactor vs. Kalk reactor. Which is better bet?
- kalk in kalc reator
- White precipitate on DIY base rock?
- vinegar problem.
- Low pH kalkwasser treatment
- PH 7.9 - 8.0 max no mater how much I dose
- Magnesium Question
- Where does calcium come from?
- Prestone Driveway Heat for Two part Question
- Seachem Prime hydrosulfite salts
- 2 crabs dead, kh at 8, po at .1
- Carbon absorbs O2?
- How fast raising calcium and alk?
- can lugo's go bad
- Tropic Marin Pro Reef Salt Mix....and Magnesium
- How much $ savings with homemade recipe?
- Urgent Help! I Really Did it Now
- ? about TDS readings and RO mainbrane
- rubber in the reeftank ?
- RO/DI at LFS measured 132 ppm!
- Carbon and rowaphos leached back into system. Short-term solution? Long-term Problem?
- ph of topoff water too high. what to do?
- chemiclean killed my tank???
- Reef Safe Paint
- Smelly water?
- cal. and meg..
- 3 part recipe
- Target Numbers to shoot for
- magnesium
- Phosphate Remover and Ph
- coudiness in new tank
- Reuse 7.01 Buffer Solution?
- Quick Question about salt mixes and skin irritation
- lowering Alk please?????
- What can happen with low PH
- I Think It's Working!!!
- Switch from Calcium Reactor to Randy's Two-Part?
- Looking for a potent solution
- low ph ???
- Grasping Alk / Cal 2-part Supplementation???
- Anybody using Kent Marine Liquid Reactor?
- Best test kit
- COPPER question emergency
- how do you feel about buffers?
- White chalky stuff
- What is cyano and how do you get rid of it?
- Rather annoyed! help me Randy!
- Zoa rock bleaching
- Kalkwasser Concentrate
- cal level wont budge
- Dr. Holmes-Farley and Bertoni
- 2 part question
- The best carbon
- How to lower ALK
- what happens in sump or fuge sand?
- 2 part
- Is there any point of Kalkwater for FOWLR?
- Still having problems figuring out how to raise my Alk and Calcium
- Dont Use Purple Up
- Reef Tank Cycling ?
- Dosing Esv Now To Kalkwasser
- mississippi lime vitacal h
- which phosphate remover brand?
- Best way to bring down the nitrates
- Type S Dolomitic lime
- Powerheads and Kalkwasser
- Garlic extract
- Reef Solution Bad?
- Is softened water bad for a reef tank?
- pH question
- whats better lime water or randys 2 part
- I need a lot of sand
- Help raising Alk
- Esv 2 Part?
- Wll lime water replace the first 2 parts
- Dolomite in Calcium Reactor
- Ammonia levels in QT or a Holding tank
- To kalk, or not to kalk? That is the question!!
- RDSB Questions
- calcium
- OK Randy here we go!
- Suitable Mag Flake Substitute?
- What are dinos?
- 1400 ppm cal, 115 kh
- B-ionic to Randy's 2-part
- Improved 2 part recipe and lime water
- Bricks for nitrate reduction?
- Hey RANDY
- ph as a hint to alkalinity?
- Please Help!!!
- hot mix
- Calcium dosing
- calibrate ph meter?
- GFO and Calcium Carbonate
- saltwater ORP
- would this be a good idea?
- magnesium dose per day
- "Trapped" in Zone 2!
- Instant Oceans Salt mix?
- Nothing Is Working to Control It! Help!!
- What are the negative effects of high Mg?
- Will stirring up a DSB spike nitrates?
- Can amonia enter the tank from say a cat litter box?
- High Calcium, low ALk, Low pH
- Seachem copper test working?
- Any preferences for Magnesium buffers?
- Calibrating ORP
- Algone.. has anyone tried it?
- Water testing question
- Can you add Reef Builder to your top off Water?
- 952 ml of Tech CB part A?
- Test kit results vs. lab results
- stirring limewater
- Re: Novice in Need
- randy's two part