I'll be going out of the country for 1 month , assigned for work
was wondering if it will be ok not to make water chaneg for a month? i usually do WC weekly. will be asking my wife to feed my aros every other day only and only light feeding. any problems with no wc for a month?
tanks and inhabitant
75 gallon tank with eheim 2250 canister filter and 3 layer Overhead filter box
1 7 inch asian arowana
7 5 inch clown loaches.
120 gallon tank with 75 gallon sump tank and 4 feet overhead filter box
1 7 inch arowana
2 8 inch motoros.
300 gallon tank with 55 gallon drum filter, 75 gallon sump tank
1 18 inch asian arowana
1 10 inch motoro
1 5 inch pleco
4 severums
5 pcs 5 inch true parrot cichlid.
75 gallon with 4 ft 3 layer trickle filter
10+ goldfish.
75 gallon with canister filter and 4 ft Overhead filter with aquaclay
substrate
20+ corydoras.
Any suggestions?

was wondering if it will be ok not to make water chaneg for a month? i usually do WC weekly. will be asking my wife to feed my aros every other day only and only light feeding. any problems with no wc for a month?
tanks and inhabitant
75 gallon tank with eheim 2250 canister filter and 3 layer Overhead filter box
1 7 inch asian arowana
7 5 inch clown loaches.
120 gallon tank with 75 gallon sump tank and 4 feet overhead filter box
1 7 inch arowana
2 8 inch motoros.
300 gallon tank with 55 gallon drum filter, 75 gallon sump tank
1 18 inch asian arowana
1 10 inch motoro
1 5 inch pleco
4 severums
5 pcs 5 inch true parrot cichlid.
75 gallon with 4 ft 3 layer trickle filter
10+ goldfish.
75 gallon with canister filter and 4 ft Overhead filter with aquaclay
substrate
20+ corydoras.
Any suggestions?