Need help with 2 part while on vacation

[FIREFISHPAT]

Is there a way besides buying 2 doser to dose 2 part while on vacation. I need to add about 15ml of both a day. Is there a way to add something in my top of tank.

[Randy Holmes-Farley]

How long of a trip?

Calcium can be predosed quite a bit with no concerns (say, up to 550 ppm at least), so only one doser would be needed for most trip lengths..

If it is only a 2-3 days, you might need nothing. A week or longer in many tanks, and less in a heavy SPS tank would likely necessitate some sort of dosing.

[Ron Reefman]

I prep the topoff water in bottles with calcium and soda ash and have my pet sitter add 1 to the sump in the morning and 1 in the evening. She is there anyway to feed the cat!

[FIREFISHPAT]

Going away for say 6 days and I have a lot of small SPS frags that are growing perfect. I would want to maintain everything I use Esv 2 parts A&B. So one doser I should get.

[Randy Holmes-Farley]

Yes, that's what I'd do. Then you can keep dosing alk that way and then just dose the calcium equivalent every few days.

How much are you dosing now to what size tank?

[FIREFISHPAT]

Its a 90 gal with 40 gal sump add 15ml for part 1 and maybe 3x a week part 2 . Every weekend I test so my reading are 8.4 alk Cal 420 ph 8.1 phos 0.03 mag. 1460 . salt 1.025 nitr 0.... Randy.... If a do 25% water change before I leave. Would that help keep tank stable without dose the 2 parts... I'm using ESV Salt. Or 6 days to much without dosing tank....

[bertoni]

I would try to dose the tank every other day or every three days, at least, with that consumption rate. I'd guess that the dKH would drop below 7 dKH over 6 days.

[FIREFISHPAT]

Your right if I didn't dose or only dose say 2 time that week my alk went down once to 6.8

[Randy Holmes-Farley]

I'd add all the calcium doses before you go. The calcium boost is pretty small (10 ppm would require 92 mL of my Recipe 1 in 90 gallons of water). Once a week is often enough for you to add the calcium parts (balanced to match the alk doses). :)