1. What size tank in gallons and aprox LxW 75 Gallons 18"T x 48W

2. Age of tank. 3.5 years

3. Amount of liverock aprox. lb. unknown

4. Substrate Y/N lb. amount, thickness, type. .75" aragonite

5. Sump Y/N size in gallons 20 gallon sump

6. Do you use a prefilter Y/N Y

7. Do you use a cover for the tank Y/N if Y what type? Yes - Custom oak canopy

8. Aprox amount of evaporation per day .5 gallon per day

9. Frequency of water changes and amount changed 15 gallons bi-weekly

10. Preferred salt mix Instant Ocean

11. Preferred additives

12. Preferred test kits

13. Method of adding calcium B-ionic

14. Aprox water turnover X times per hour 8

15. Type of lighting i.e.: MH, MH/VHO

16. Type of bulbs Iwasaki and Super actinic

17. Aprox wattage per gallon 9.6

18. Duration of lighting cycle daily hours per day 10

19. Do you use timers Y/N Y

20. Do you use TWP? (tapwater purification RO/DI) Y/N and type Kent Maxxima RO/DI 24 GPD

21. Estimated cost of your tank complete unknown

22. What you feel is the biggest challenge in keeping a reef tank Maintainence Money and sometimes just "not knowing why"

23. What has been your most useful method in acquiring information? List in priority Internet - Simplified Reefkeeping - Friends

24. What type of protein skimmer are you using? CC / Venturi / Downdraft manufacturer? Venturi Berlin